



LS IAC Connector Component Kit
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
LS IAC Connector Component KitLS Idle Air Control Valve Connector Component Kit Fits: 1999 and newer LS Gen 3 LS Series Engines with DBC throttle body Replaces broken, worn out, or missing harness connectors for the IAC Valve Includes: Includes Connector, Retainer, terminals, and seals Includes additional seals and terminals as shown All components are OEM brand unless unavailable, ensuring quality and reliability in every kit
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Your LS IAC Connector Component Kit 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.
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4.5 ★★★★★
Based on 270 reviews
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Product Reviews
★★★★★ 5
Perfect fit and works great
Size: 96158T-2PCS
Perfect fit and works great. It is great that it comes as a 2pk. I replaced both with no need to change wiring, and kept the working one I had, as backup.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 27, 2026
★★★★★ 4
It works as it should...
Size: 96158T-2PCS
Used it in a pinch for stater relay... it works great. Be aware... Mine required metric sockets for the nuts... 10mm for large terminals - 3/8 was too tight and same for smaller terminals 7mm fit better than 5/16 that was too loose. The mounting holes are also spaced closer together than the OEM on a mercruiser 260 in a mid 1980's boat but easy to remedy with a 1/4" drill bit.
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Reviewed in the United States on August 4, 2023
★★★★★ 5
Fixed 4.3 Merc IO
Size: 96158T-1PCS
Engine wouldn't start reliably or consistently. I had no clicking either from the old solenoid even though it would start from time to time...motor starts perfect after install. Pretty easy install as long as you reconnect the right wires. This worked perfect!
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Reviewed in the United States on August 8, 2023
★★★★★ 5
Quality
Size: 96158T-2PCS
Worth the money. Quality. Fit good. Easy too install.
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Reviewed in the United States on September 21, 2025
★★★★★ 5
Solenoid replacement
Size: 96158T-2PCS
No changes were needed, fit exactly as the oem. Happy Happy.
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Reviewed in the United States on September 10, 2025