★★★★★ 5
Don’t over pay for auto filters
Great filter for reasonable price. Great fit in vehicle
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Reviewed in the United States on February 12, 2026
FuelTech - FT550 to FT600 Adapter Harness
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
FuelTech - FT550 to FT600 Adapter HarnessFueltech FT550 Harness to FT600 ECU Adapter The FuelTech FT550 to FT600 adapter harness is the fastest way of using an FT600 on an existing FT550 LS Complete Harness. Offers plug and play installation for a FT550 LS Complete Harness to FT600 ECU In order to use all inputs and outputs of the FT600, extra 10 and 12 Way Connectors are needed (Or repined for a different connector) Also compatible to use a FT550 LS Harness on an FT700 ECU Adapts the dual
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Your FuelTech - FT550 to FT600 Adapter Harness orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
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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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Reviewed in the United States on October 31, 2025
★★★★★ 5
PERFECT FIT, EASY AF, HAPPY CUSTOMER
perfect fit for my 2022 civic! took 5 min! (not an exaggeration) soooo many youtube videos but alll you gotta do is -
1) locate engine air filter holder
2) undo fasteners on the sides
3) lift black part up
4) pull out old filter
5) put in new filter,
6) redo fasteners
DONE!
dealership wanted to charge me $85 for this!!!!! forget that , do it yourself! it’s easy for girls too!! don’t be intimated :)
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Reviewed in the United States on October 29, 2025
★★★★★ 5
Great product!
High quality; great product; highly recommended!
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Reviewed in the United States on July 27, 2025
★★★★★ 5
Good product too!!!
Style: CA7440
Great fit!! Good price.
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Reviewed in the United States on April 3, 2026
