★★★★★ 5
Fast shipping, items as advertised.
Size: 11SMax-24Pack
Perfect fit.
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Reviewed in the United States on May 20, 2026
Wiring Adapter - 4L60E Harness to 4L80E Transmission
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Wiring Adapter - 4L60E Harness to 4L80E TransmissionLS Transmission Adapter Harness Used when converting a 4L60E vehicle to a 4L80E transmission. Simply plug in this adapter, add the 2 wires to the ECM for the speed sensor, then segment swap your tune Sealed, crimped and assembled in Wichita Kansas, with USA made, OEM grade, TXL wire Every assembly is individually hand tested to ensure it exceeds OEM standards Compatible with GM Vehicles originally equipped with LS series 4L60E Transmissions Includes:
Quick Dispatch:
Your Wiring Adapter - 4L60E Harness to 4L80E Transmission orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
Order Tracking:
You'll receive a tracking link by email once your Wiring Adapter - 4L60E Harness to 4L80E Transmission ships.
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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]
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4.8 ★★★★★
Based on 1376 reviews
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Product Reviews
★★★★★ 5
Works for my G30 Verge
Size: 11SMax-24Pack
Fit my G30 Verge. Works well and brought it back to life. Great value for the money!
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Reviewed in the United States on January 15, 2026
★★★★★ 5
Fits my Eufy
Size: 11SMax-24Pack
Parts fit my Eufy like they should. The side brush has held up nicely.
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Reviewed in the United States on April 26, 2026
★★★★★ 5
Bang for buck
Size: 11SMax-24Pack
You get a lot for the price. And it fits. Recommended. It is a little noisier than the original bit functions are the same
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Reviewed in the United States on January 10, 2026
★★★★★ 5
Cleaning
Style: L50 SES
Great product
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Reviewed in the United States on April 8, 2026
