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Cometic Ford RY45 4.290in Bore .040in MLX Head Gasket - Left

Marsoni M251S
Sale price$122.04
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Cometic Ford RY45 4.290in Bore .040in MLX Head Gasket - LeftCOMETIC MLX (Multi Layer Stopper) gaskets utilize an integrated stopper layer for combustion chamber sealing and improved clamp load around the cylinder without increasing bore distortion. MLX technology can be found in some head gaskets and are made from the same materials as our MLS Head Gaskets. No sealants or re torque required.
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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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4.4 ★★★★★
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kelly clark
West Palm Beach, US
★★★★★ 5
Perfect fit for 2020 jeep eco diesel
Send set 8 have used, on my 2020 Jeep Wrangler Rubicon with Eco Diesel.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 15, 2026
R
Verified Purchase
Randy A. Eastridge
Port Orchard, US
★★★★★ 5
On time shipping
What I need when I need it
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Reviewed in the United States on May 7, 2026
J
Verified Purchase
JSN
Belleville, US
★★★★★ 1
Oil pressure drop
Once the engine warms up, the oil pressure drops enough to trigger the check engine light every time it dips below the threshold. I decided to try an aftermarket oil filter, but it looks like I’ll be switching back to the pricey OEM one after all.
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Reviewed in the United States on December 14, 2025
M
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Mike
Bozeman, US
★★★★★ 5
Perfect OEM replacement
An amazing alternative to the expensive OEM filter. Works just as well if not better.
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Reviewed in the United States on May 14, 2025
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Verified Purchase
Clay Hu
Chelsea, US
★★★★★ 5
Parts that fit!
It’s hard to find ‘official Mopar’ parts for the 3.0 Eco Diesel but Doc’s Diesel are exact matches and are as good or better quality as factory.
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Reviewed in the United States on October 20, 2024

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