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Wiring Adapter - 4L70E Harness to 4L80E Transmission
Wiring Adapter - 4L70E Harness to 4L80E Transmission
Wiring Adapter - 4L70E Harness to 4L80E Transmission
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Wiring Adapter - 4L70E Harness to 4L80E Transmission

Marsoni M251S
Sale price$144.99
Pay 4 payments of $36.25 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Wiring Adapter - 4L70E Harness to 4L80E TransmissionLS Transmission Adapter Harness Put a 4L80E in your vehicle easily with this adapter harness (requires tune for segment swap) 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 4L65E & 4L70E vehicles (2006 2008) (connects to 4L80E transmission) 18" length Includes: 1 transmission adapter harness with vehicle speed sensor
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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
4.2 ★★★★★
Based on 1817 reviews
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Verified Purchase
Cheila
Pawtucket, US
★★★★★ 5
Very stylish💜💜
Size: 6, Color: Light Blue, Size: 6, Color: Light Blue
This little suit for boys is very stylish. I bought it for my grandson for a wedding occasion and it looked very nice. The fabric is not too thick so for the summer wedding it was great. I pick the blue color and it looked fantastic!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 16, 2026
T
Verified Purchase
Teresa Stevens
Omaha, US
★★★★★ 5
Loved it
Fit perfectly
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 9, 2025
A
Verified Purchase
Anthony Honny
Dallas, US
★★★★★ 4
Boys linen suit
Size: 10, Color: Light Blue
Looks great. Just wish it included a shirt
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 21, 2026
D
Verified Purchase
Denise
West Palm Beach, US
★★★★★ 5
Great product
Size: 10, Color: Light Champagne, Size: 10, Color: Light Champagne
Not bring the tshirts but fit really good
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 10, 2025
T
Verified Purchase
Tania S
Port Orchard, US
★★★★★ 5
Very comfortable
Size: 14, Color: Light Green
I received so many compliments on my son’s outfit for graduation. 
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 26, 2025

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