Skip to main content
Hi !Hi! Sign in or registereBay DealsHelp & Contact
  • Français
Sell
Watch List
My eBay
  • Summary
  • Recently Viewed
  • Bids/Offers
  • Watch List
  • Purchase History
  • Selling
  • Saved Feed
  • Saved Searches
  • Saved Sellers
  • My Garage
  • Messages
Please sign-in to view notifications.
Loading...
eBay Home
Advanced
Copyright © 1995-2025 eBay Inc. All Rights Reserved. User Agreement, Privacy, Payments Terms of Use, Cookies and AdChoice

Engine Computers for 2003 for Chevrolet Trailblazer EXT

breadcrumb

  • eBay
    • eBay Motors
    • Parts & Accessories
    • Car & Truck Parts & Accessories
    • Starters, Alternators, ECUs & Wiring
  • eBay Motors
  • Parts & Accessories
  • Car & Truck Parts & Accessories
  • Starters, Alternators, ECUs & Wiring
  • ECUs & Computer Modules
  • Engine Computers for 2003 for Chevrolet Trailblazer EXT

Find parts that fit

We need more information about your vehicle to confirm fit.

2003
Chevrolet
Trailblazer EXT

Shop by category

  • Starters, Alternators, ECUs & Wiring
    • ECUs & Computer Modules
    • Alternator & Generator Parts
    • Alternators & Generators
    • Batteries
    • Battery Accessories
    • Fuses & Fuse Boxes
    • Other Starters, Alternators, ECUs & Wiring
    • Relays
    • Starter Motor Parts
    • Starter Motors
    • Voltage Regulators
    • Wiring Harnesses, Cables & Connectors
  • All Listings
  • Auction
  • Buy It Now
  • Best Match
  • Time: ending soonest
  • Time: newly listed
  • Price + Shipping: lowest first
  • Price + Shipping: highest first
  • Distance: nearest first
  • List View
  • Gallery View

2,022 results

Sort: Best Match

  • Best Match
  • Time: ending soonest
  • Time: newly listed
  • Price + Shipping: lowest first
  • Price + Shipping: highest first
  • Distance: nearest first

    • 2003 2004 2005 Trailblazer Engine computer 12574976 "Programmed to your VIN" - Image 1 of 4
    • 2003 2004 2005 Trailblazer Engine computer 12574976 "Programmed to your VIN" - Image 2 of 4
    • 2003 2004 2005 Trailblazer Engine computer 12574976 "Programmed to your VIN" - Image 3 of 4
    • 2003 2004 2005 Trailblazer Engine computer 12574976 "Programmed to your VIN" - Image 4 of 4

    2003 2004 2005 Trailblazer Engine computer 12574976 "Programmed to your VIN" (For: 2003 Chevrolet Trailblazer EXT)

    Remanufactured · ACDelco
    (13)
    C $137.87
    C $35.01 shipping
    340 sold
    H⁣S⁣2⁣ ⁣p⁣о⁣n⁣8⁣s⁣o⁣X⁣r⁣e⁣ ⁣d⁣K⁣⁣⁣I⁣ ⁣F⁣7⁣⁣⁣⁣⁣ ⁣⁣
    • Used Engine Control Module (ECM) fits: 2003 Chevrolet Trailblazer ext Electronic - Image 1 of 3
    • Used Engine Control Module (ECM) fits: 2003 Chevrolet Trailblazer ext Electronic - Image 2 of 3
    • Used Engine Control Module (ECM) fits: 2003 Chevrolet Trailblazer ext Electronic - Image 3 of 3

    Used Engine Control Module (ECM) fits: 2003 Chevrolet Trailblazer ext Electronic (For: 2003 Chevrolet Trailblazer EXT)

    GRADE A OEM! FAST AND FREE SHIPPING
    Pre-Owned · Chevrolet
    C $85.18
    Was: C $106.48was - C $106.48
    or Best Offer
    C $22.90 shipping
    S⁣0⁣p⁣о⁣D⁣n⁣ ⁣s⁣o⁣U⁣K⁣ ⁣8⁣F⁣ ⁣r⁣Y⁣G⁣ ⁣7⁣e⁣d⁣⁣9⁣ ⁣⁣⁣3⁣
  • Programmed 2003 TrailBlazer EXT PCM 89017750 | VIN-Matched & Ready to Install - Image 1 of 1

    Programmed 2003 TrailBlazer EXT PCM 89017750 | VIN-Matched & Ready to Install

    Please send 17 digit VIN in note to seller at checkout
    Remanufactured · Chevrolet
    C $158.56
    or Best Offer
    U⁣S⁣ ⁣J⁣8⁣S⁣p⁣ ⁣o⁣n⁣O⁣s⁣F⁣ ⁣Q⁣o⁣D⁣r⁣е⁣d⁣⁣⁣ ⁣W⁣Q⁣ ⁣D⁣⁣
    • 2003 Chevrolet Trailblazer 4.2L 12574976 ECU ECM PCM Computer VATS DELETE - Image 1 of 4
    • 2003 Chevrolet Trailblazer 4.2L 12574976 ECU ECM PCM Computer VATS DELETE - Image 2 of 4
    • 2003 Chevrolet Trailblazer 4.2L 12574976 ECU ECM PCM Computer VATS DELETE - Image 3 of 4
    • 2003 Chevrolet Trailblazer 4.2L 12574976 ECU ECM PCM Computer VATS DELETE - Image 4 of 4

    2003 Chevrolet Trailblazer 4.2L 12574976 ECU ECM PCM Computer VATS DELETE (For: 2003 Chevrolet Trailblazer EXT)

    Remanufactured · ACDelco
    (13)
    C $372.44
    C $52.00 shipping
    F⁣Q⁣S⁣ ⁣C⁣8⁣p⁣o⁣ ⁣B⁣n⁣ѕ⁣B⁣o⁣ ⁣1⁣r⁣7⁣e⁣ ⁣K⁣d⁣⁣N⁣⁣⁣ ⁣V⁣
  • 2002-2006 Chevrolet Trailblazer EXT 4.2L Rear Body Control Module Unit BCM BCU - Image 1 of 4

    2002-2006 Chevrolet Trailblazer EXT 4.2L Rear Body Control Module Unit BCM BCU (For: 2003 Chevrolet Trailblazer EXT)

    Pre-Owned · Chevrolet
    (1)
    C $74.45
    Was: C $82.72was - C $82.72
    or Best Offer
    C $22.11 shipping
    ⁣8⁣7⁣⁣ ⁣7⁣⁣1⁣⁣ ⁣⁣W⁣F⁣⁣⁣ ⁣⁣4⁣⁣⁣4⁣⁣ ⁣⁣⁣T⁣⁣G⁣
  • Front Body Control Module BCM 15122670 No Security Fits 02-05 Trailblazer 670234 - Image 1 of 4

    Front Body Control Module BCM 15122670 No Security Fits 02-05 Trailblazer 670234 (For: 2003 Chevrolet Trailblazer EXT)

    A GRADE CONTACT US TO CONFIRM COMPATIBILITY
    Pre-Owned · Chevrolet
    C $89.66
    C $23.04 shipping
    2⁣1⁣⁣ ⁣S⁣⁣7⁣⁣ ⁣⁣L⁣⁣Z⁣⁣⁣⁣⁣ ⁣C⁣C⁣ ⁣2⁣⁣M⁣⁣⁣ ⁣⁣
  • VIN Programmed 2002-2005 Chevrolet Trailblazer Body Control Module BCM 19370406 - Image 1 of 3

    VIN Programmed 2002-2005 Chevrolet Trailblazer Body Control Module BCM 19370406 (For: 2003 Chevrolet Trailblazer EXT)

    Remanufactured · General Motors
    C $248.22
    C $22.14 shipping
    Z⁣⁣8⁣ ⁣⁣⁣⁣⁣⁣E⁣F⁣⁣⁣ ⁣⁣9⁣⁣⁣⁣O⁣⁣⁣⁣⁣ ⁣G⁣C⁣ ⁣
  • VIN Programmed 2003-2005 Chevrolet Trailblazer Engine Computer PCM 12574976 GM - Image 1 of 3

    VIN Programmed 2003-2005 Chevrolet Trailblazer Engine Computer PCM 12574976 GM (For: 2003 Chevrolet Trailblazer EXT)

    Remanufactured · General Motors
    C $137.87
    C $18.88 shipping
    ⁣D⁣L⁣ ⁣S⁣⁣⁣C⁣ ⁣⁣⁣X⁣⁣K⁣ ⁣D⁣O⁣⁣⁣⁣ ⁣R⁣P⁣⁣ ⁣⁣V⁣⁣
  • 2002-05 CHEVY TRAILBLAZER BODY CONTROL MODULE BCM BCU 15065293 COMPUTER - Image 1 of 3

    2002-05 CHEVY TRAILBLAZER BODY CONTROL MODULE BCM BCU 15065293 COMPUTER (For: 2003 Chevrolet Trailblazer EXT)

    Pre-Owned · Chevrolet
    C $96.54
    or Best Offer
    C $30.06 shipping
    Y⁣⁣V⁣⁣ ⁣⁣⁣⁣⁣O⁣8⁣ ⁣⁣S⁣9⁣ ⁣L⁣P⁣ ⁣⁣⁣⁣3⁣C⁣ ⁣⁣⁣⁣
  • 🔥 2002-2009 Trailblazer Envoy LG Communication Onstar Control Module 25888496 - Image 1 of 2

    🔥 2002-2009 Trailblazer Envoy LG Communication Onstar Control Module 25888496 (For: 2003 Chevrolet Trailblazer EXT)

    Pre-Owned · Chevrolet
    C $75.85
    8⁣⁣K⁣ ⁣⁣⁣⁣⁣C⁣⁣L⁣ ⁣⁣A⁣⁣0⁣⁣⁣ ⁣⁣W⁣⁣⁣⁣⁣W⁣ ⁣⁣
  • 03 04 05 TRAILBLAZER EXT Engine/motor Brain Box - Image 1 of 2

    03 04 05 TRAILBLAZER EXT Engine/motor Brain Box (For: 2003 Chevrolet Trailblazer EXT)

    Pre-Owned · Chevrolet
    C $79.32
    or Best Offer
    C $17.16 shipping
    ⁣E⁣E⁣⁣ ⁣⁣Q⁣⁣⁣J⁣ ⁣8⁣⁣Q⁣ ⁣T⁣4⁣ ⁣Y⁣U⁣ ⁣C⁣⁣⁣ ⁣⁣⁣⁣
  • 2002-2005 CHEVROLET TRAILBLAZER TRANSFER CASE CONTROL MODULE 12590220 OEM - Image 1 of 4

    2002-2005 CHEVROLET TRAILBLAZER TRANSFER CASE CONTROL MODULE 12590220 OEM (For: 2003 Chevrolet Trailblazer EXT)

    Pre-Owned · Chevrolet
    (5)
    C $55.16
    C $30.91 shipping
    ⁣⁣⁣⁣⁣⁣G⁣J⁣ ⁣2⁣B⁣⁣⁣ ⁣D⁣⁣U⁣ ⁣0⁣⁣⁣I⁣⁣ ⁣⁣⁣4⁣T⁣
  • Body Control Module BCM 2002-2005 Chevy Trailblazer - Image 1 of 4

    Body Control Module BCM 2002-2005 Chevy Trailblazer (For: 2003 Chevrolet Trailblazer EXT)

    Pre-Owned · Chevrolet
    C $79.32
    or Best Offer
    C $17.16 shipping
    J⁣⁣⁣K⁣⁣⁣⁣⁣ ⁣⁣⁣⁣0⁣⁣⁣⁣3⁣ ⁣⁣3⁣F⁣⁣ ⁣Y⁣⁣⁣⁣D⁣
  • 2003-2005 Chevrolet TrailBlazer EXT Body Control Module BCM OEM - Image 1 of 3

    2003-2005 Chevrolet TrailBlazer EXT Body Control Module BCM OEM (For: 2003 Chevrolet Trailblazer EXT)

    Pre-Owned · Chevrolet
    C $102.28
    C $17.84 shipping
    S⁣p⁣o⁣n⁣s⁣о⁣5⁣6⁣ ⁣r⁣3⁣Y⁣e⁣ ⁣d⁣W⁣X⁣ ⁣M⁣⁣9⁣ ⁣⁣⁣K⁣⁣9⁣⁣
  • Used Power Seat Control Module fits: 2003 Chevrolet Trailblazer ext Seat heat co - Image 1 of 4

    Used Power Seat Control Module fits: 2003 Chevrolet Trailblazer ext Seat heat co (For: 2003 Chevrolet Trailblazer EXT)

    90 DAY WARRANTY AND FREE SHIPPING INCLUDED
    Pre-Owned · Chevrolet
    C $153.53
    C $24.91 shipping
    S⁣Q⁣p⁣o⁣2⁣ ⁣n⁣s⁣о⁣r⁣W⁣E⁣e⁣d⁣⁣⁣ ⁣⁣⁣6⁣J⁣⁣ ⁣N⁣⁣P⁣⁣ ⁣
  • Used Front Body Control Module fits: 2003 Chevrolet Trailblazer ext Body Control - Image 1 of 4

    Used Front Body Control Module fits: 2003 Chevrolet Trailblazer ext Body Control (For: 2003 Chevrolet Trailblazer EXT)

    **90 DAY WARRANTY** **FREE RESIDENTIAL SHIPPING**
    Pre-Owned · Chevrolet
    C $134.39
    Was: C $154.48was - C $154.48
    or Best Offer
    C $24.35 shipping
    S⁣p⁣o⁣n⁣C⁣ѕ⁣8⁣ ⁣L⁣o⁣r⁣Y⁣e⁣d⁣ ⁣⁣⁣⁣⁣⁣⁣T⁣⁣Q⁣⁣ ⁣⁣⁣
  • ✅ 2003 CHEVROLET TRAILBLAZER EXT ENGINE CONTROL MODULE COMPUTER ECU ECM PCM YCTD - Image 1 of 4

    ✅ 2003 CHEVROLET TRAILBLAZER EXT ENGINE CONTROL MODULE COMPUTER ECU ECM PCM YCTD (For: 2003 Chevrolet Trailblazer EXT)

    Pre-Owned · GMC
    C $82.78
    C $22.83 shipping
    N⁣R⁣ ⁣Q⁣D⁣ ⁣⁣⁣V⁣⁣⁣⁣⁣M⁣⁣ ⁣A⁣2⁣⁣⁣⁣⁣ ⁣0⁣⁣6⁣⁣ ⁣
  • ✅ 2003 CHEVROLET TRAILBLAZER EXT ENGINE CONTROL MODULE COMPUTER ECU ECM PCM YCTD - Image 1 of 4

    ✅ 2003 CHEVROLET TRAILBLAZER EXT ENGINE CONTROL MODULE COMPUTER ECU ECM PCM YCTD (For: 2003 Chevrolet Trailblazer EXT)

    Pre-Owned · Chevrolet
    (2)
    C $87.14
    C $22.95 shipping
    ⁣X⁣⁣Y⁣ ⁣⁣⁣3⁣⁣Y⁣⁣⁣ ⁣⁣A⁣E⁣⁣ ⁣⁣⁣U⁣T⁣ ⁣⁣⁣D⁣⁣Q⁣
  • 02 03 04 05 TRAILBLAZER Chassis Brain Box - Image 1 of 4

    02 03 04 05 TRAILBLAZER Chassis Brain Box (For: 2003 Chevrolet Trailblazer EXT)

    Pre-Owned · Chevrolet
    C $63.45
    or Best Offer
    C $16.69 shipping
    ⁣⁣⁣⁣I⁣I⁣ ⁣⁣⁣⁣⁣0⁣K⁣⁣⁣ ⁣P⁣⁣K⁣ ⁣⁣⁣R⁣8⁣⁣ ⁣⁣⁣
  • 03 04 05 TRAILBLAZER Engine/motor Brain Box - Image 1 of 2

    03 04 05 TRAILBLAZER Engine/motor Brain Box (For: 2003 Chevrolet Trailblazer EXT)

    Pre-Owned · Chevrolet
    C $79.32
    or Best Offer
    C $17.16 shipping
    ⁣L⁣J⁣⁣⁣⁣⁣⁣⁣⁣⁣ ⁣A⁣⁣⁣⁣5⁣⁣ ⁣⁣⁣T⁣C⁣ ⁣L⁣⁣⁣⁣
  • ✅ 03 04 05 Trailblazer Envoy PCM Programmed to your VIN Engine Computer 12574976 - Image 1 of 3

    ✅ 03 04 05 Trailblazer Envoy PCM Programmed to your VIN Engine Computer 12574976 (For: 2003 Chevrolet Trailblazer EXT)

    Remanufactured · OEM
    C $122.75
    C $32.91 shipping
    192 sold
    T⁣⁣J⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣ ⁣F⁣R⁣⁣⁣⁣⁣⁣ ⁣E⁣⁣B⁣ ⁣⁣⁣
  • 03 04 05 TRAILBLAZER Engine/motor Brain Box - Image 1 of 4

    03 04 05 TRAILBLAZER Engine/motor Brain Box (For: 2003 Chevrolet Trailblazer EXT)

    Pre-Owned · Chevrolet
    C $79.32
    or Best Offer
    C $17.16 shipping
    B⁣⁣N⁣ ⁣⁣⁣⁣J⁣⁣⁣B⁣ ⁣S⁣⁣⁣0⁣⁣⁣⁣ ⁣4⁣⁣T⁣ ⁣K⁣⁣R⁣ ⁣
  • 02 03 04 05 TRAILBLAZER Chassis Brain Box - Image 1 of 4

    02 03 04 05 TRAILBLAZER Chassis Brain Box (For: 2003 Chevrolet Trailblazer EXT)

    Pre-Owned · Chevrolet
    C $63.45
    or Best Offer
    C $16.69 shipping
    ⁣G⁣B⁣ ⁣P⁣⁣A⁣ ⁣⁣⁣3⁣T⁣ ⁣⁣⁣⁣Q⁣N⁣⁣ ⁣F⁣⁣5⁣ ⁣⁣⁣E⁣⁣
  • Used Front Body Control Module fits: 2003 Chevrolet Trailblazer ext Body Control - Image 1 of 4

    Used Front Body Control Module fits: 2003 Chevrolet Trailblazer ext Body Control (For: 2003 Chevrolet Trailblazer EXT)

    90 DAY WARRANTY AND FREE SHIPPING INCLUDED
    Pre-Owned · Chevrolet
    C $151.73
    C $24.86 shipping
    O⁣X⁣ ⁣⁣⁣⁣⁣S⁣⁣⁣9⁣ ⁣⁣9⁣Z⁣⁣⁣ ⁣B⁣V⁣⁣⁣⁣ ⁣⁣G⁣⁣⁣
  • 2003-2005 Chevrolet Trailblazer 4.2 Engine Computer Ecu Ecm Pcm Control Module - Image 1 of 4

    2003-2005 Chevrolet Trailblazer 4.2 Engine Computer Ecu Ecm Pcm Control Module (For: 2003 Chevrolet Trailblazer EXT)

    Pre-Owned · Chevrolet
    (3)
    C $93.04
    Was: C $103.39was - C $103.39
    or Best Offer
    C $38.29 shipping
    U⁣⁣Z⁣⁣ ⁣⁣⁣1⁣⁣⁣L⁣ ⁣J⁣⁣⁣C⁣⁣⁣ ⁣A⁣⁣⁣J⁣⁣ ⁣⁣⁣A⁣
  • VIN Programmed 2002-2005 Chevrolet Trailblazer Transfer Case Module 12590220 - Image 1 of 3

    VIN Programmed 2002-2005 Chevrolet Trailblazer Transfer Case Module 12590220 (For: 2003 Chevrolet Trailblazer EXT)

    Remanufactured · General Motors
    C $275.81
    C $28.06 shipping
    ⁣⁣⁣⁣K⁣N⁣⁣⁣ ⁣R⁣⁣⁣8⁣ ⁣L⁣⁣⁣⁣⁣⁣⁣E⁣ ⁣⁣V⁣⁣⁣7⁣
  • Front Body Control Module BCM (w/o security) 2002-2005 Chevy Trailblazer - Image 1 of 4

    Front Body Control Module BCM (w/o security) 2002-2005 Chevy Trailblazer (For: 2003 Chevrolet Trailblazer EXT)

    Pre-Owned · Chevrolet
    C $55.18
    or Best Offer
    C $16.44 shipping
    5⁣⁣R⁣⁣ ⁣⁣8⁣⁣⁣H⁣⁣ ⁣X⁣⁣Y⁣⁣⁣ ⁣2⁣⁣I⁣ ⁣⁣⁣⁣⁣L⁣⁣
  • CHEVROLET TRAILBLAZER ENVOY RAINIER ASCENDER LIFTGATE CONTROL MODULE 15206805 - Image 1 of 4

    CHEVROLET TRAILBLAZER ENVOY RAINIER ASCENDER LIFTGATE CONTROL MODULE 15206805

    Pre-Owned · General Motors
    C $41.31
    ⁣⁣⁣⁣⁣⁣D⁣⁣I⁣ ⁣4⁣5⁣ ⁣⁣X⁣⁣U⁣ ⁣Y⁣⁣⁣X⁣ ⁣⁣⁣⁣X⁣⁣
  • Used Engine Control Module fits: 2003 Chevrolet Trailblazer ext Electronic Contr - Image 1 of 4

    Used Engine Control Module fits: 2003 Chevrolet Trailblazer ext Electronic Contr (For: 2003 Chevrolet Trailblazer EXT)

    **90 Day Warranty** **Free Shipping**
    Pre-Owned · Chevrolet
    C $133.10
    or Best Offer
    C $24.32 shipping
    D⁣Ѕ⁣p⁣D⁣o⁣n⁣ ⁣s⁣o⁣r⁣M⁣O⁣e⁣d⁣ ⁣⁣I⁣D⁣⁣⁣⁣⁣ ⁣U⁣Q⁣⁣⁣ ⁣
  • Used Engine Control Module (ECM) fits: 2005 Gmc Envoy Electronic Control Module - Image 1 of 4

    Used Engine Control Module (ECM) fits: 2005 Gmc Envoy Electronic Control Module (For: 2003 Chevrolet Trailblazer EXT)

    OEM Used Parts | Tested Quality & Fast Shipping
    Pre-Owned · GMC
    C $83.74
    Was: C $104.68was - C $104.68
    or Best Offer
    C $22.86 shipping
    J⁣Ѕ⁣p⁣o⁣n⁣2⁣ ⁣s⁣o⁣J⁣X⁣r⁣ ⁣e⁣d⁣⁣⁣⁣D⁣⁣2⁣ ⁣B⁣⁣⁣0⁣⁣ ⁣
  • 2003 2004 Bravada Engine computer 12574976 "Programmed to your VIN" ECM PCM - Image 1 of 1

    2003 2004 Bravada Engine computer 12574976 "Programmed to your VIN" ECM PCM (For: 2003 Chevrolet Trailblazer EXT)

    Remanufactured · ACDelco
    (13)
    C $137.87
    C $33.35 shipping
    S⁣O⁣p⁣V⁣o⁣n⁣ѕ⁣o⁣r⁣e⁣ ⁣d⁣E⁣Y⁣⁣ ⁣Y⁣⁣P⁣ ⁣⁣⁣Q⁣T⁣⁣ ⁣Y⁣B⁣
  • 2004 Corvette Engine computer 12586243 "Programmed to your VIN" ECM PCM ECU - Image 1 of 1

    2004 Corvette Engine computer 12586243 "Programmed to your VIN" ECM PCM ECU (For: 2003 Chevrolet Trailblazer EXT)

    Remanufactured · ACDelco
    (6)
    C $193.05
    C $34.98 shipping
    S⁣p⁣C⁣T⁣o⁣ ⁣8⁣T⁣n⁣s⁣ ⁣o⁣r⁣е⁣d⁣⁣H⁣E⁣ ⁣⁣B⁣G⁣ ⁣⁣0⁣5⁣⁣⁣
  • Chassis Brain Box TRAILBLAZER EXT 02 03 04 05 - Image 1 of 2

    Chassis Brain Box TRAILBLAZER EXT 02 03 04 05 (For: 2003 Chevrolet Trailblazer EXT)

    Pre-Owned · Chevrolet
    C $81.55
    or Best Offer
    C $31.70 shipping
    U⁣⁣X⁣ ⁣⁣M⁣⁣⁣2⁣⁣ ⁣4⁣V⁣ ⁣A⁣R⁣⁣⁣⁣⁣ ⁣⁣P⁣⁣G⁣⁣ ⁣L⁣
  • 03 04 05 TRAILBLAZER Engine/motor Brain Box 12573576 - Image 1 of 4

    03 04 05 TRAILBLAZER Engine/motor Brain Box 12573576 (For: 2003 Chevrolet Trailblazer EXT)

    Pre-Owned · Chevrolet
    C $55.16
    or Best Offer
    C $16.44 shipping
    Y⁣3⁣ ⁣⁣5⁣R⁣⁣⁣ ⁣⁣⁣⁣⁣M⁣⁣⁣C⁣⁣⁣ ⁣⁣⁣⁣⁣K⁣⁣⁣⁣
  • 2003 2004 2005 CHEVROLET TRAIL BLAZER Electronic Control Module 12573576 YDXX - Image 1 of 4

    2003 2004 2005 CHEVROLET TRAIL BLAZER Electronic Control Module 12573576 YDXX (For: 2003 Chevrolet Trailblazer EXT)

    Pre-Owned · Chevrolet
    C $68.96
    or Best Offer
    C $22.42 shipping
    4⁣8⁣⁣⁣ ⁣⁣⁣B⁣⁣G⁣⁣⁣ ⁣⁣P⁣⁣⁣⁣⁣M⁣ ⁣⁣N⁣G⁣⁣ ⁣⁣⁣
  • 2003 CHEVROLET TRAILBLAZER EXT 4.2L ENGINE COMPUTER 12573576 VIN PROGRAMMED - Image 1 of 2

    2003 CHEVROLET TRAILBLAZER EXT 4.2L ENGINE COMPUTER 12573576 VIN PROGRAMMED (For: 2003 Chevrolet Trailblazer EXT)

    Remanufactured · ACDelco
    C $122.77
    C $18.44 shipping
    2⁣⁣N⁣ ⁣⁣⁣O⁣D⁣ ⁣⁣L⁣⁣⁣⁣⁣⁣⁣⁣8⁣ ⁣⁣⁣E⁣⁣⁣3⁣⁣ ⁣
  • VIN Programmed 2003 Chevrolet Trailblazer Engine Computer PCM 12581565 GM - Image 1 of 3

    VIN Programmed 2003 Chevrolet Trailblazer Engine Computer PCM 12581565 GM (For: 2003 Chevrolet Trailblazer EXT)

    Remanufactured · General Motors
    C $165.46
    C $19.70 shipping
    1⁣7⁣ ⁣⁣⁣F⁣⁣G⁣⁣ ⁣⁣A⁣4⁣ ⁣⁣⁣⁣D⁣⁣⁣Z⁣⁣ ⁣⁣⁣⁣V⁣F⁣
  • 2002-2004 Chevy Trailblazer/ EXT Envoy Rear Body Control Module BCM OEM 15869971 - Image 1 of 4

    2002-2004 Chevy Trailblazer/ EXT Envoy Rear Body Control Module BCM OEM 15869971 (For: 2003 Chevrolet Trailblazer EXT)

    Pre-Owned · General Motors
    C $48.28
    or Best Offer
    ⁣⁣⁣⁣⁣6⁣F⁣⁣ ⁣⁣5⁣⁣6⁣ ⁣G⁣1⁣⁣⁣ ⁣⁣T⁣⁣1⁣⁣ ⁣⁣⁣⁣
  • Used Front Body Control Module fits: 2003 Chevrolet Trailblazer ext Body Control - Image 1 of 4

    Used Front Body Control Module fits: 2003 Chevrolet Trailblazer ext Body Control (For: 2003 Chevrolet Trailblazer EXT)

    90 DAY WARRANTY AND FREE SHIPPING INCLUDED
    Pre-Owned · Chevrolet
    C $151.73
    C $24.86 shipping
    B⁣D⁣ ⁣S⁣A⁣р⁣2⁣o⁣ ⁣n⁣5⁣Z⁣ ⁣2⁣s⁣o⁣E⁣ ⁣r⁣H⁣L⁣ ⁣O⁣⁣ ⁣e⁣d⁣⁣
  • Used Engine Control Module (ECM) fits: 2005 Chevrolet Trailblazer Electronic Con - Image 1 of 4

    Used Engine Control Module (ECM) fits: 2005 Chevrolet Trailblazer Electronic Con (For: 2003 Chevrolet Trailblazer EXT)

    WILL NEED REPROGRAMMED! FAST SHIPPING!
    Pre-Owned · Chevrolet
    C $153.04
    C $24.90 shipping
    S⁣K⁣X⁣p⁣ ⁣o⁣n⁣J⁣s⁣о⁣r⁣e⁣d⁣5⁣⁣⁣⁣⁣ ⁣⁣9⁣1⁣ ⁣⁣⁣⁣P⁣⁣
  • 2002 - 2005 CHEVROLET TRAILBLAZER BODY CONTROL MODULE 15065293 - Image 1 of 4

    2002 - 2005 CHEVROLET TRAILBLAZER BODY CONTROL MODULE 15065293 (For: 2003 Chevrolet Trailblazer EXT)

    Pre-Owned · Chevrolet
    C $62.02
    Was: C $82.70was - C $82.70
    or Best Offer
    C $16.65 shipping
    ⁣E⁣⁣⁣9⁣⁣⁣ ⁣P⁣V⁣⁣ ⁣⁣U⁣S⁣⁣⁣ ⁣Q⁣F⁣⁣⁣ ⁣M⁣⁣⁣⁣0⁣
  • Chassis Brain Box GMC ENVOY 02 03 04 05 06 07 08 - Image 1 of 4

    New ListingChassis Brain Box GMC ENVOY 02 03 04 05 06 07 08 (For: 2003 Chevrolet Trailblazer EXT)

    Pre-Owned · GMC
    C $63.45
    or Best Offer
    Free shipping
    ⁣C⁣⁣⁣S⁣ ⁣⁣⁣⁣A⁣R⁣⁣⁣⁣ ⁣M⁣K⁣⁣ ⁣N⁣H⁣ ⁣S⁣5⁣⁣ ⁣M⁣⁣
  • 2002 Chevy Trailblazer Body Control Module - Image 1 of 4

    2002 Chevy Trailblazer Body Control Module (For: 2003 Chevrolet Trailblazer EXT)

    Quality Auto Parts - Excellent Service!
    Pre-Owned · Chevrolet
    C $68.97
    C $22.42 shipping
    ⁣⁣7⁣6⁣ ⁣⁣3⁣K⁣⁣⁣⁣⁣⁣ ⁣⁣⁣⁣⁣O⁣⁣⁣6⁣ ⁣⁣⁣2⁣J⁣ ⁣
  • 04 TRAILBLAZER Chassis Brain Box BCM - Image 1 of 4

    04 TRAILBLAZER Chassis Brain Box BCM (For: 2003 Chevrolet Trailblazer EXT)

    Pre-Owned · Chevrolet
    C $103.46
    C $17.88 shipping
    ⁣⁣⁣5⁣D⁣⁣ ⁣G⁣⁣U⁣ ⁣⁣W⁣⁣O⁣⁣ ⁣1⁣⁣U⁣ ⁣⁣W⁣⁣V⁣⁣ ⁣⁣
  • 2003-2005 Chevy Trailblazer Engine ECM Electronic Control Module 4.2L - Image 1 of 4

    2003-2005 Chevy Trailblazer Engine ECM Electronic Control Module 4.2L (For: 2003 Chevrolet Trailblazer EXT)

    MAY REQUIRE DEALER REPROGRAMMING!!!
    Pre-Owned · General Motors
    C $137.94
    C $18.88 shipping
    O⁣⁣⁣⁣6⁣ ⁣Z⁣⁣⁣⁣⁣⁣5⁣⁣ ⁣W⁣9⁣ ⁣⁣⁣⁣N⁣⁣⁣⁣⁣⁣K⁣
  • Used Rear Body Control Module fits: 2007 Chevrolet Trailblazer Body Control BCM - Image 1 of 4

    Used Rear Body Control Module fits: 2007 Chevrolet Trailblazer Body Control BCM (For: 2003 Chevrolet Trailblazer EXT)

    Pre-Owned · Chevrolet
    C $150.00
    Was: C $172.41was - C $172.41
    or Best Offer
    C $24.82 shipping
    X⁣⁣⁣5⁣⁣⁣⁣⁣⁣⁣ ⁣⁣1⁣⁣E⁣⁣⁣ ⁣⁣A⁣⁣⁣9⁣⁣⁣ ⁣⁣⁣
  • VIN Programmed 02-05 Trailblazer Envoy BRAVADA Transfer Case Module 15085386 - Image 1 of 1

    VIN Programmed 02-05 Trailblazer Envoy BRAVADA Transfer Case Module 15085386 (For: 2003 Chevrolet Trailblazer EXT)

    Remanufactured · General Motors
    C $262.02
    C $22.55 shipping
    ⁣G⁣G⁣⁣⁣⁣⁣⁣⁣⁣⁣ ⁣S⁣⁣C⁣ ⁣⁣1⁣⁣L⁣⁣⁣⁣⁣ ⁣U⁣3⁣ ⁣
  • ⭐⭐OEM 2002-2009 CHEVROLET TRAILBLAZER ECM PCM WHITE CONNECTOR⭐⭐ - Image 1 of 2

    ⭐⭐OEM 2002-2009 CHEVROLET TRAILBLAZER ECM PCM WHITE CONNECTOR⭐⭐ (For: 2003 Chevrolet Trailblazer EXT)

    Pre-Owned · Chevrolet
    C $105.29
    or Best Offer
    C $37.69 shipping
    ⁣⁣⁣5⁣4⁣ ⁣M⁣1⁣⁣ ⁣⁣⁣⁣X⁣⁣3⁣ ⁣⁣3⁣⁣⁣⁣F⁣ ⁣⁣⁣⁣⁣
  • 2002-08 GMC Envoy Body Control Module OEM # 15204776 - Image 1 of 3

    2002-08 GMC Envoy Body Control Module OEM # 15204776 (For: 2003 Chevrolet Trailblazer EXT)

    Pre-Owned · GMC
    C $32.15
    C $37.89 shipping
    9⁣⁣M⁣ ⁣⁣M⁣⁣⁣R⁣ ⁣B⁣⁣A⁣⁣ ⁣9⁣⁣D⁣ ⁣⁣⁣⁣1⁣⁣B⁣ ⁣⁣W⁣
  • Used Front Body Control Module fits: 2003 Chevrolet Trailblazer ext Body Control - Image 1 of 4

    Used Front Body Control Module fits: 2003 Chevrolet Trailblazer ext Body Control (For: 2003 Chevrolet Trailblazer EXT)

    Pre-Owned · Chevrolet
    C $216.57
    C $26.77 shipping
    S⁣1⁣ ⁣⁣⁣⁣P⁣⁣W⁣⁣⁣⁣ ⁣S⁣⁣P⁣ ⁣⁣2⁣⁣B⁣ ⁣T⁣9⁣⁣⁣ ⁣⁣
  • Used Front Body Control Module fits: 2004 Chevrolet Trailblazer Body Control BCM - Image 1 of 4

    Used Front Body Control Module fits: 2004 Chevrolet Trailblazer Body Control BCM (For: 2003 Chevrolet Trailblazer EXT)

    90 DAY WARRANTY AND FREE SHIPPING INCLUDED
    Pre-Owned · Chevrolet
    C $151.73
    C $24.86 shipping
    5⁣L⁣ ⁣⁣V⁣⁣⁣⁣D⁣ ⁣⁣P⁣W⁣⁣ ⁣R⁣8⁣ ⁣R⁣G⁣ ⁣N⁣⁣ ⁣⁣⁣⁣ ⁣
  • 02 03 04 05 TRAILBLAZER CHASSIS ECM BODY CONT BCM FRONT FUSE BOX SIDE 550659 - Image 1 of 4

    02 03 04 05 TRAILBLAZER CHASSIS ECM BODY CONT BCM FRONT FUSE BOX SIDE 550659 (For: 2003 Chevrolet Trailblazer EXT)

    Listing Is For Control Module Other Than Engine Co
    Pre-Owned · Chevrolet
    C $82.70
    C $17.26 shipping
    ⁣X⁣Z⁣⁣ ⁣⁣U⁣F⁣ ⁣⁣⁣7⁣B⁣ ⁣5⁣X⁣⁣⁣⁣ ⁣⁣⁣X⁣⁣⁣B⁣⁣⁣
  • Chassis ECM Transfer Case Fits 02-05 ENVOY 365600 - Image 1 of 4

    Chassis ECM Transfer Case Fits 02-05 ENVOY 365600 (For: 2003 Chevrolet Trailblazer EXT)

    *************MUST MATCH NUMBERS FOR WARRANTY **********
    Pre-Owned · Chevrolet
    C $40.55
    or Best Offer
    C $21.59 shipping
    ⁣2⁣⁣⁣I⁣⁣⁣⁣ ⁣P⁣⁣⁣⁣⁣O⁣⁣ ⁣⁣⁣⁣⁣L⁣C⁣⁣⁣ ⁣⁣⁣
  • For Chevrolet Trailblazer SRS Computer Crash Data Erase - ⭐⭐⭐⭐⭐ - Image 1 of 4

    For Chevrolet Trailblazer SRS Computer Crash Data Erase - ⭐⭐⭐⭐⭐ (For: 2003 Chevrolet Trailblazer EXT)

    Remanufactured · Chevrolet
    C $55.13
    C $16.44 shipping
    1⁣U⁣ ⁣⁣L⁣⁣D⁣⁣⁣⁣⁣ ⁣⁣P⁣⁣⁣3⁣⁣⁣⁣⁣ ⁣Z⁣1⁣ ⁣T⁣A⁣ ⁣
  • 02-08 TRAILBLAZER ENVOY 04-07 RAINIER 02-04 ENVOY REAR BODY CONTROL (BCM) OEM - Image 1 of 4

    02-08 TRAILBLAZER ENVOY 04-07 RAINIER 02-04 ENVOY REAR BODY CONTROL (BCM) OEM (For: 2003 Chevrolet Trailblazer EXT)

    BEEN IN BUSINESS 41 YEARS...FAST FREE SHIPPING!!!
    Pre-Owned · OEM
    C $64.68
    Was: C $96.54was - C $96.54
    or Best Offer
    C $21.82 shipping
    ⁣⁣⁣⁣0⁣⁣⁣6⁣⁣⁣ ⁣Y⁣Y⁣ ⁣⁣⁣⁣L⁣V⁣ ⁣8⁣⁣⁣⁣X⁣ ⁣⁣⁣
  • ⭐⭐OEM 2002-2009 CHEVROLET TRAILBLAZER ECM PCM GRAY CONNECTOR⭐⭐ - Image 1 of 2

    ⭐⭐OEM 2002-2009 CHEVROLET TRAILBLAZER ECM PCM GRAY CONNECTOR⭐⭐ (For: 2003 Chevrolet Trailblazer EXT)

    Pre-Owned · Chevrolet
    C $105.29
    or Best Offer
    C $43.26 shipping
    ⁣X⁣Y⁣⁣ ⁣U⁣T⁣ ⁣C⁣I⁣⁣⁣ ⁣⁣K⁣E⁣⁣⁣ ⁣E⁣⁣⁣⁣⁣⁣X⁣ ⁣⁣
  • 218-12763 AC Delco Body Control Module Rear for Chevy Olds Chevrolet Trailblazer - Image 1 of 4

    218-12763 AC Delco Body Control Module Rear for Chevy Olds Chevrolet Trailblazer

    Brand New · ACDelco
    C $86.89
    C⁣⁣⁣⁣F⁣⁣⁣ ⁣H⁣⁣⁣3⁣⁣ ⁣3⁣D⁣⁣ ⁣S⁣⁣⁣V⁣ ⁣F⁣1⁣⁣ ⁣V⁣
  • Genuine Throttle Actuator Control Module GM 5.3L 2003-2004 12588922 OEM - Image 1 of 4

    Genuine Throttle Actuator Control Module GM 5.3L 2003-2004 12588922 OEM (For: 2003 Chevrolet Trailblazer EXT)

    Brand New · General Motors
    C $242.71
    C $27.08 shipping
    Only 1 left!
    C⁣⁣⁣⁣⁣⁣4⁣ ⁣⁣⁣3⁣B⁣ ⁣V⁣2⁣ ⁣⁣⁣⁣6⁣⁣⁣3⁣ ⁣4⁣⁣8⁣⁣
  • ACDelco Body Control Module 218-12763 25846782 For 02-09 Chevrolet Trailblazer - Image 1 of 2

    ACDelco Body Control Module 218-12763 25846782 For 02-09 Chevrolet Trailblazer (For: 2003 Chevrolet Trailblazer EXT)

    Brand New · ACDelco
    C $341.95
    C $30.47 shipping
    G⁣A⁣ ⁣S⁣C⁣p⁣о⁣T⁣ ⁣n⁣s⁣o⁣r⁣e⁣d⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣T⁣⁣
  • Programmed 2003 Trailblazer EXT PCM 28042802 | VIN Flashed Engine Computer - Image 1 of 1

    Programmed 2003 Trailblazer EXT PCM 28042802 | VIN Flashed Engine Computer

    Please send 17 digit VIN in note to seller at checkout
    Remanufactured · Chevrolet
    (1)
    C $158.56
    or Best Offer
    L⁣N⁣ ⁣Ѕ⁣p⁣o⁣B⁣n⁣A⁣ ⁣s⁣o⁣R⁣E⁣r⁣ ⁣5⁣e⁣Q⁣ ⁣I⁣M⁣d⁣⁣⁣ ⁣N⁣⁣

Results Pagination - Page 1

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6
  7. 7
  8. 8
  9. 9
  10. 10