★★★★★ 5
Great fit
Perfect fit. FYI - I bought the exact same one on EBAY FOR $11.78
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Reviewed in the United States on May 2, 2026
LT Gen V Engine to LS Gen III & IV Valve Cover Adapter LT1 LS1 L83 LT4 L86
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
LT Gen V Engine to LS Gen III & IV Valve Cover Adapter LT1 LS1 L83 LT4 L86GM LT Series Engine to LS Valve Cover Adapter Set Used to adapt 1999 and newer LS series valve covers to LT series engines Includes: 2 adapters, 2 OEM style LT gaskets and mounting hardware 551327Compatible with: 2014 and newer LT series engines Made in Wichita, Kansas from aerospace grade, USA produced, billet aluminum
Quick Dispatch:
Your LT Gen V Engine to LS Gen III & IV Valve Cover Adapter LT1 LS1 L83 LT4 L86 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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You'll receive a tracking link by email once your LT Gen V Engine to LS Gen III & IV Valve Cover Adapter LT1 LS1 L83 LT4 L86 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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Based on 2259 reviews
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Product Reviews
★★★★★ 5
East
Easy to replace and great fit
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Reviewed in the United States on January 4, 2026
★★★★★ 5
Perfect fit
Nice quality
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Reviewed in the United States on May 10, 2025
★★★★★ 5
A Breath of Fresh Air for Your Car
Size: 8.3" x 9.3" x 1.3"
This BOSCH 6037C HEPA Cabin Air Filter is a fantastic and simple upgrade for your vehicle. It delivers exactly what it promises: cleaner, fresher air inside your car.
The installation was incredibly straightforward. It was a perfect fit for my Acura RDX, and I was able to swap out the old filter in just a few minutes. You don't need any special tools, making this an easy and quick DIY project for anyone.
The difference in air quality is immediately noticeable. The HEPA filtration does a great job of trapping dust, pollen, and other allergens, leaving the cabin air feeling much cleaner. It also seems to reduce outside odors, which is a huge plus.
Overall, this is a high-quality product that provides excellent value. It's an essential and affordable way to improve the air quality in your car. I highly recommend it for any compatible Honda or Acura model.
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Reviewed in the United States on September 1, 2025
★★★★★ 5
High quality cabin filter
Size: 8.3" x 9.3" x 1.3"
I change out the cabin filters in my cars at every oil change. It help when running the A/C all summer. This is high quality cabin filter that does its job. Seeing what the dealer wants for literally 1 minute worth of work is silly.
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Reviewed in the United States on May 13, 2026
