★★★★★ 5
Top notch
Size: 300A Fuse Holder
Very good quality
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 8, 2026
Wiring Adapter - 4L70E Harness to 4L80E Transmission
Marsoni
M251S
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
Quick Dispatch:
Your Wiring Adapter - 4L70E 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 - 4L70E Harness to 4L80E Transmission ships.
Need Help?
Questions about Wiring Adapter - 4L70E Harness to 4L80E Transmission, sizing, or delivery? We're just an email away.
Live Shipping Estimates:
Enter your location at checkout to see available shipping methods and costs for Wiring Adapter - 4L70E Harness to 4L80E Transmission in your area.
Get Shipping Estimates
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
You may also like
Wire Extension 24" LS Gen 4 MAP Manifold Absolute Pressure Sensor Connector LS3
43.99
Four Seasons - HT6 A/C Compressor For 1996-1998 Vortec Truck AC
100.47
12.9 LS Transmission Flywheel Flexplate Bolts Set 6pc
20.99
1" Hi-Ram Lid Spacer (Compatible with Holley Intake Manifold) High Riser EFI LS1
126.97
On The Farm 123 - Reusable colouring mat and 10 wipeable pens
18.00
LS 6" Alternator Adapter Harness - 2 Pin High Amp Vehicle to 4 Pin Alternator
43.99
Speed Engineering - LS Headers S10
100.47
4.8 ★★★★★
Based on 1507 reviews
Sort
Product Reviews
★★★★★ 5
It’s good
Size: 300A Fuse Holder
It does it’s job.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 18, 2026
★★★★★ 4
Cover too loose.
Size: 300A Fuse Holder
Nice looking, decent quality, versatile for different gauges. My only complaint with this holder is the cover doesn’t stay on very well, bought 3, and all 3 pop off easily, you will need to zip tie on.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 12, 2026
★★★★★ 5
Works as it should.
Size: 300A Fuse Holder
I’ve had several of these in my build for over a year now. Zero issues.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 3, 2025
★★★★★ 5
Good brand
Size: 300A Fuse Holder
Good product
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 5, 2025
