Customer Service
My Orders
Towing
Sports & Rec
Trailer
Vehicle
RV & Camper
Marine
Brands
Gifts
Deals
Customer Service
Select Vehicle
Loading...
Go
Free Shipping on Orders Over $50*
Only 7 Hours 56 Minutes Remaining
*Available Within The Contiguous USA
Search: 4 wire flat extension
>
Products
Videos
Articles
Questions
Popular Categories
Trailer Wiring
Flat Tow Wiring Harness
Accessories and Parts
Hitch Adapters
Trailer Hitch Ball Mount
Trailer Lights
Camper Jacks
Brake Actuator
Trailer Jack
Lunette Ring
Hitch Pins and Clips
Adjustable Trailer Coupler
Custom Fits
Looking for a custom fit?
Vehicle Tow Bar Wiring
Trailer Wiring
Trailer Jack
RV Exterior Lighting
RV Jack Pads
Brake Controller
Filter Results
Price - Low to High
Price - High to Low
Most Popular
Alphabetical
Best Match
Hopkins Endurance, Flex-Coil Trailer Connector Adapter - 7-Way to 5-Way or
4
-Way
Flat
with Nite-Glow - HM47075
(
59
)
Retail:
$63.82
Our Price:
$
48.59
In Stock
Add to Cart
Hopkins Heavy-Duty Trailer Coiled
Wire
Adapter for 7-Way to
4-Wire
Flat
- HM47065
(
176
)
Retail:
$45.44
Our Price:
$
36.70
Add to Cart
Hopkins
4
-Pole Loop - 12" Long - HM48145
(
120
)
Retail:
$11.53
Our Price:
$
6.74
In Stock
Add to Cart
Roadmaster Universal Hy-Power Diode
Wiring
Kit - RM-152
(
247
)
Retail:
$139.45
Our Price:
$
90.15
In Stock
Add to Cart
48" Long
4
-Pole Loop with Cover - HM47115
(
88
)
Retail:
$22.07
Our Price:
$
10.59
In Stock
Add to Cart
Hopkins
4
-Way
Flat
Trailer Connector w/ 48" Harness - HM48035
(
51
)
Retail:
$12.19
Our Price:
$
5.30
In Stock
Add to Cart
Hopkins
4
-Pole
Flat
Wiring
Extension
- 120" Long - HM48235
(
40
)
Retail:
$24.23
Our Price:
$
16.73
In Stock
Add to Cart
Hopkins Custom Tail Light
Wiring
Kit for Towed Vehicles - HM56202
(
137
)
Retail:
$102.09
Our Price:
$
64.94
In Stock
Add to Cart
Hopkins Endurance Easy-Pull
4-Flat
Extension
w/ 2 Grip Rings - Vehicle and Trailer Ends - 24" - HM47004
(
54
)
Retail:
$22.06
Our Price:
$
13.64
In Stock
Add to Cart
Hopkins Endurance Easy-Pull
4
-Pole
Flat
Extension
- Vehicle and Trailer Ends - LED Tester - 12" - HM48148
(
40
)
Retail:
$21.34
Our Price:
$
12.46
In Stock
Add to Cart
Pollak Trailer Connector Adapter - Vehicle End - 7-Pole Round to 7-Way Blade - PK12-724
(
168
)
Retail:
$43.16
Our Price:
$
37.05
In Stock
Add to Cart
Curt Tow Bar
Extension
Cord w/ Socket - Coiled - 7-Way RV - 96" Cord - C39HR
(
38
)
Retail:
$106.95
Our Price:
$
79.54
In Stock
Add to Cart
Adapter
4
-Pole to 7-Pole and
4
-Pole - 37185
(
635
)
Retail:
$59.01
Our Price:
$
51.48
In Stock
Add to Cart
Hopkins 2-Pole
Flat
Wiring
Extension
- 12" Long - HM47965
(
118
)
Retail:
$11.91
Our Price:
$
3.66
In Stock
Add to Cart
35 Ft
4
-Way Trailer
Wiring
Harness - Wishbone Style - 42" Ground - A35W42B
(
792
)
Retail:
$25.23
Our Price:
$
20.87
In Stock
Add to Cart
Mighty Cord Trailer Connector Adapter -
4
-Way
Flat
to 7-Way RV Style - 12" Long - A10-7084VP
(
121
)
Retail:
$31.57
Our Price:
$
22.41
In Stock
Add to Cart
Hopkins Endurance Multi-Tow Trailer Connector Adapter - 7-Way to 6-Way, 5-Way or
4
-Way - HM47570
(
176
)
Retail:
$34.67
Our Price:
$
33.01
In Stock
Add to Cart
7-Way Molded Trailer
Wire
Connector,
4'
Long - H20043
(
348
)
Retail:
$70.00
Our Price:
$
35.42
In Stock
Add to Cart
Wesbar Wishbone
Wiring
Harness with
4
-Pole
Flat
Trailer Connector - Trailer End - 18" Long - 002402
(
376
)
Our Price:
$
11.56
In Stock
Add to Cart
Pollak 7 Pole to
4
Way Connector Adapter - PK12716
(
956
)
Retail:
$21.10
Our Price:
$
10.92
In Stock
Add to Cart
Adapter
4
Pole to 7 Pole Vehicle End Trailer Connector - 30717
(
597
)
Our Price:
$
33.24
In Stock
Add to Cart
Tow Ready
4
Pole to 5 Pole Trailer
Wiring
Adapter - 20036
(
255
)
Retail:
$26.42
Our Price:
$
22.62
In Stock
Add to Cart
Curt Trailer Connector Adapter -
4
-Way to 7-Way RV and
4
-Way
Flat
- C57672
(
412
)
Retail:
$50.36
Our Price:
$
36.06
In Stock
Add to Cart
Curt Trailer Connector Adapter with Backup Alarm -
4
-Way to 7-Way RV and
4
-Way
Flat
- C57102
(
63
)
Retail:
$61.67
Our Price:
$
43.16
In Stock
Add to Cart
< Previous
1
2
3
. . .
145
Next >
<< Back to Results
Related Searches
air bag suspension
hitch extender
spare tire mount for trailer
air bags
hitch extension
trailer lights
Filter Your Search
Filter By:
Trailer Wiring
(259)
x
Flat Tow Wiring Harness
(127)
x
Accessories and Parts
(818)
x
Hitch Adapters
(109)
x
Trailer Hitch Ball Mount
(608)
x
Trailer Lights
(875)
x
Camper Jacks
(158)
x
Brake Actuator
(209)
x
Trailer Jack
(310)
x
Lunette Ring
(44)
x
Hitch Pins and Clips
(80)
x
Show More
A-Frame Trailer Coupler
(35)
x
Adjustable Trailer Coupler
(36)
x
Custom Fit Vehicle Wiring
(148)
x
Drop Hitch
(397)
x
Hitch Step
(2)
x
LED Strip Lights
(5)
x
Pintle Hitch
(9)
x
RV Exterior Lights
(1)
x
RV Interior Lights
(12)
x
RV Light Fixtures
(10)
x
Straight Tongue Trailer Coupler
(164)
x
Work Lights
(1)
x
Show Fewer
Contact and Help
Customer Service
Contact Us
My Orders
About Us
Privacy Policy
Your Account Login
What our customers are saying:
Very easy process, good prices and my products were shipped on time and were delivered on time. The instructional videos online helped make installation easy!
Ryan
Portland, OR