SKU: 31830597349

Beck Arnley 173-7866 Ignition Distributor Rotor - W21-381 RB939 2M9

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Description

Beck Arnley 173-7866 Ignition Distributor Rotor - W21-381 RB939 2M9BECK ARNLEY 173 7866. Condition: New Other. Interchange: W21 381 RB939 2M9 Important Message Regarding Compatibility Please refer to the fitment information in the description above to determine if this item will work with your vehicle. If you are using the compatibility feature you MUST click on the ''View'' link under the Notes column to see the exact fitment requirements for your vehicle. It is extremely important that you read those notes to

BECK ARNLEY 173-7866. Condition: New - Other.
Interchange: W21-381 RB939 2M9
Important Message Regarding Compatibility

Please refer to the fitment information in the description above to determine if this item will work with your vehicle. If you are using the compatibility feature you MUST
click on the ''View'' link under the Notes column to see the exact fitment requirements for your vehicle. It is extremely important that you read those notes to verify you are
buying the correct part for your vehicle. You, the buyer, have the responsibility to make sure you order the correct part for your vehicle. Returned parts due to customer error
carry a 10% restocking fee as well as no refund of the shipping charges. If you have any questions, please contact us before making a purchase.

You will only receive what is pictured unless otherwise stated in the description. Please do not assume anything else will be included if it is not pictured.
All of the parts we sell are guaranteed to be in good working condition unless otherwise noted. We ONLY guarantee the part(s) will fit the vehicle(s) listed in the description. If
your vehicle was not originally equipped with the EXACT part(s) listed, it is your responsibility to consult a dealer to see if it will fit your application. We ONLY guarantee the
part(s) will fit your vehicle if it was originally equipped with the part(s) on auction. Additional items may be needed if this is an upgrade or custom installation. Please consult
your local dealer for ALL other applications

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
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  • Delivery to the USA:
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 31830597349

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4.3 ★★★★★
Based on 7 reviews
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Product Reviews
M
Verified Purchase
Miguel
Lexington, US
★★★★★ 5
Great wiring harness for light installations.
Size: 16AWG Wiring Harness-2 Leads, Size: 16AWG Wiring Harness-2 Leads
This is a great wiring harness for LED lights. These come in one or two leads application. All that means is that they come ready for one or two lights, depending on your installation. The plug in connectors for each light comes with the set so that is a plus. I’ve attached a picture of the plug/connector for the lights so you can take a look at them. Although the relay is an “overkill” for low wattage LEDs, it’s OK to have it just in case you decide to change your lights for larger ones or halogens, in the future. In my case I will be using this harness in my motorcycle. It is very long for my need, which is great for cars, but too long for motorcycles since you have to remember that room/space is scarce in motorcycles. I ended up cutting the wires to my desired length and using heat shrink butt connectors and “glued” heat shrink covers for waterproofing the connection points. All in all these are great quality and I am very happy with them.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 16, 2020
M
Verified Purchase
Marina De Leon
Natrona Heights, US
★★★★★ 5
Nice
Size: 16AWG Wiring Harness-2 Leads
Worked great, easy to install
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 8, 2026
D
Verified Purchase
Dan from Georgia
Birmingham, US
★★★★★ 4
Wire length between the two connectors is short for a full-size pickup
Size: 16AWG Wiring Harness-2 Leads
I used the harness to wire ditch lights on opposite sides of a full-size pickup (F150). The wire between the 2 2-pin connectors was about 18 inches too short. Fortunately, splicing the wires from the (Nilight) ditch lights and the included pigtails gave barely enough length to reach the connectors. The connectors are buried inside the trim channel for the cowl; I'd have preferred they were exposed on each side to allow for easy swapping of the lights, but I can live with it. There is more than enough wire from the first connector to the relay for my all-under-hood installation, but I didn't think to measure if it would reach into the truck bed. The harness is of good quality and is a very good value. It would be a 5-star if it weren't for that little length issue.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 1, 2025
N
Verified Purchase
Nate Higgers
West Palm Beach, US
★★★★★ 5
great value
Size: 16AWG Wiring Harness-2 Leads
very affordable light install kit. worth the price just in the wiring connectors. I used this with my Nilight front bumper kit. i bypassed the button and wired high beam (+) to the yellow small wire. I did this so when the highbeams come on the light bar comes on. because with the stock arragement of this harness, the button continously draws power for the indicator LED
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 30, 2026
L
Verified Purchase
Lee Mintz
San Leandro, US
★★★★★ 5
The Easiest!
Size: 16AWG Wiring Harness-2 Leads
This is one of the best and easiest wiring system to install that I have every used. And the price is great!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 11, 2025

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