Skip to main content

Picture 1 of 2

Stock photo
Stock photo
GRAINGER APPROVED Press coupling with stop, 1/2" x 1/2" 816YJ9 - Picture 1 of 2
GRAINGER APPROVED Press coupling with stop, 1/2" x 1/2" 816YJ9 - Picture 2 of 2

Master Lock 389DAT Universal Trailer Coupler Lock - Red

4.676 product ratings
Grainger (110240)
99.3% positive feedback
Price:
US $2.73
ApproximatelyC $3.74
+ $29.50 shipping
Estimated delivery Thu, Aug 7 - Mon, Aug 18
Returns:
30 days return. Buyer pays for return shipping. If you use an eBay shipping label, it will be deducted from your refund amount.
Condition:
New

About this product

Product Identifiers

BrandMaster Lock
MPN389DAT
Ean0692617373266
GTIN0692617373266
UPC0692617373266
Model389DAT
eBay Product ID (ePID)8033162395

Dimensions

Weight2.65lbs.

Additional Product Features

Custom BundleNo

All listings for this product

Buy It Now
Any Condition
New
Pre-owned
item 1 GRAINGER APPROVED Press coupling with stop, 1/2" x 1/2" 816YJ9
C $3.74
+C $40.42 shipping
item 2 GRAINGER APPROVED Press coupling with stop, 3/4" x 3/4" 816YK0
C $6.08
+C $40.49 shipping
item 3 GRAINGER APPROVED Press coupling No stop, 3/4" x 3/4" 816YK9
C $6.08
+C $40.49 shipping
item 4 GRAINGER APPROVED Press coupling No stop, 1" x 1" 816YL0
C $9.74
+C $40.60 shipping
item 5 GRAINGER APPROVED Press coupling with stop, 1" x 1" 816YK1
C $9.74
+C $40.60 shipping
item 6 GRAINGER APPROVED Press coupling No stop, 1-1/4"x1-1/4" 816YL1
C $13.69
+C $40.71 shipping
item 7 GRAINGER APPROVED Press coupling with stop, 1-1/4"x1-1/4" 816YK2
C $13.69
+C $40.71 shipping
item 8 GRAINGER APPROVED Coupling,304 SS,1/8",F BSPT,Class 150 60VD80
C $13.69
+C $40.71 shipping
item 9 GRAINGER APPROVED Coupling,316 SS,1/8",F BSPT,Class 150 60VG25
C $15.46
+C $40.77 shipping
item 10 GRAINGER APPROVED ZUSA-PF-7513 Coupling,316 SS,1/4",F BSPT,Class 150 60VG24
C $17.22
+C $40.82 shipping
item 11 GRAINGER APPROVED Coupling,304 SS,3/8",F BSPT,Class 150 60VD88
C $17.96
+C $40.83 shipping
item 12 GRAINGER APPROVED JAX16MM QD Bushing, JA, 16 mm B Dia,1 in L 813C75
C $23.36
+C $41.00 shipping
item 13 GRAINGER APPROVED QD Bushing, JA, 14 mm B Dia,1 in L 813C73
C $23.36
+C $41.00 shipping
item 14 GRAINGER APPROVED JAX15MM QD Bushing, JA, 15 mm B Dia,1 in L 813C74
C $23.36
+C $41.00 shipping
item 15 GRAINGER APPROVED QD Bushing, JA, 15/16 in B Dia,1 in L 813C71
C $23.36
+C $41.00 shipping
Master Lock Universal Trailer Coupler Lock, Model# 389DAT Open Box
item 16 Master Lock Universal Trailer Coupler Lock, Model# 389DAT Open Box
C $24.46
Master Lock Universal Trailer Lock ~ Size Fits 1-7/8", 2", & 2-5/16" New Sealed
item 17 Master Lock Universal Trailer Lock ~ Size Fits 1-7/8", 2", & 2-5/16" New Sealed
C $30.08
Master Lock Universal Trailer Coupler Lock, Model# 389DAT
item 18 Master Lock Universal Trailer Coupler Lock, Model# 389DAT
C $26.04
item 19 GRAINGER APPROVED Coupling,316 SS,1/2",F BSPP,Class 150 60VG22
C $34.49
+C $41.33 shipping
item 20 GRAINGER APPROVED 1610X38MM TL Bushing, 1610, 38 mm B Dia,1 in L 812ZP7
C $36.64
+C $41.40 shipping
item 21 GRAINGER APPROVED 1610X1-7/16 TL Bushing, 1610, 1 7/16 in B Dia,1 in L 812ZM9
C $36.64
+C $41.40 shipping
Master Lock - Universal Size Fits 1-7/8", 2", and 2-5/16" Couplers - Trailer
item 22 Master Lock - Universal Size Fits 1-7/8", 2", and 2-5/16" Couplers - Trailer
C $60.53
+C $22.03 shipping
Master Lock Universal Trailer Coupler Lock, Model# 389DAT Open Box
item 23 Master Lock Universal Trailer Coupler Lock, Model# 389DAT Open Box
C $40.15
Master Lock - Universal Size Fits 1-7/8", 2", And 2-5/16" Couplers Trailer Locks
item 24 Master Lock - Universal Size Fits 1-7/8", 2", And 2-5/16" Couplers Trailer Locks
C $54.80
Master Lock Universal Trailer Coupler Lock, Model# 389DAT
item 25 Master Lock Universal Trailer Coupler Lock, Model# 389DAT
C $52.40
+C $45.97 shipping
item 26 GRAINGER APPROVED Press extended coupling No Stop, 2" x 2" 816YM2
C $68.50
+C $42.33 shipping
Master Lock Universal Trailer Coupler Lock
item 27 Master Lock Universal Trailer Coupler Lock
C $59.95
item 28 GRAINGER APPROVED Coupling,316 SS,1",F BSPP,Class 150 60VG20
C $74.96
+C $42.52 shipping
item 29 GRAINGER APPROVED ST Bushing, Q1, 2 in B Dia,2.5 in L 812YR9
C $112.01
+C $34.04 shipping
item 30 GRAINGER APPROVED Q1X2-7/16 ST Bushing, Q1, 2 7/16 in B Dia,2.5 in L 812YT4
C $112.01
+C $34.04 shipping
item 31 GRAINGER APPROVED ST Bushing, Q1, 2 1/4 in B Dia,2.5 in L 812YT2
C $112.01
+C $34.04 shipping
item 32 GRAINGER APPROVED Q1X1-7/8 ST Bushing, Q1, 1 7/8 in B Dia,2.5 in L 812YP3
C $112.01
+C $34.04 shipping
item 33 GRAINGER APPROVED Q1X1-3/8 ST Bushing, Q1, 1 3/8 in B Dia,2.5 in L 812YR2
C $112.01
+C $34.04 shipping
item 34 GRAINGER APPROVED ST Bushing, Q1, 1 1/2 in B Dia,2.5 in L 812YN9
C $112.01
+C $34.04 shipping
item 35 GRAINGER APPROVED ST Bushing, Q1, 1 3/4 in B Dia,2.5 in L 812YP2
C $112.01
+C $34.04 shipping
item 36 GRAINGER APPROVED ST Bushing, Q1, 25 mm B Dia,2.5 in L 812YU4
C $116.02
+C $34.16 shipping
item 37 GRAINGER APPROVED Press XL coupling No stop, 3" x 3" 816YL5
C $118.81
+C $34.24 shipping
GRAINGER APPROVED 3V605 V-Belt Pulley,Detachable,5Groove,6"OD 5YKV8
item 38 GRAINGER APPROVED 3V605 V-Belt Pulley,Detachable,5Groove,6"OD 5YKV8
C $237.34
listings for this product

Ratings and Reviews

Learn more
4.7
6 product ratings
  • 5 users rated this 5 out of 5 stars
  • 0 users rated this 4 out of 5 stars
  • 1 users rated this 3 out of 5 stars
  • 0 users rated this 2 out of 5 stars
  • 0 users rated this 1 out of 5 stars

Most relevant reviews

  • by saltcar
    Dec 01, 2019

    Works good. Keep it lubed

    Works on most trailer tongues. Prone to freezing in cold so best to keep it lubed and have a torch ready in case!

    Verified purchase: Yes

  • by rockinrobintweetdeledeet
    Jul 07, 2025

    Fits great, it will deter any would be r...

    Fits great, it will deter any would be robbers.

    Verified purchase: YesCondition: New

  • by firecaptain9
    Aug 31, 2021

    Trailer lock

    worked great, 2-5/16 dump trailer

    Verified purchase: Yes

  • by sachaedil
    Aug 16, 2021

    Coupler

    Fits a little loose but i think will work

    Verified purchase: Yes

  • by dennisinpr
    Jun 12, 2024

    Looks good thanks

    Looks good thanks

    Verified purchase: YesCondition: New

Best Selling in Flexible Couplings

You may also like