Protect your 2018-2020 4.0L BiTurbo V8 from a catastrophic rear main seal blowout with this exact fit Genuine Mercedes-Benz left and right oil separator kit.
To 01/14/2020
Protect your AMG's rear main seal from catastrophic blowout and eliminate excessive crankcase pressure with this complete left and right Genuine Mercedes-Benz PCV kit.
Cure the notorious M177 oil leak and bulletproof your engine with this comprehensive "engine-out" kit, featuring both updated oil separators, a new rear main seal, and the brittle vent hoses that always break during installation.
Eliminate vacuum leaks and replace both of your fragile, heat-baked PCV vent lines at the same time with this matching pair of Genuine Mercedes-Benz breather hoses.
Cure the notorious 4.0L V8 oil leak on your 2018-2020 Mercedes-Benz with this chassis specific engine out kit, featuring the correct oil separators, a new rear main seal plate, and the brittle vent hoses that always break during installation.
To 01/14/2020
Avoid days of downtime and replace your brittle, heat-baked right-side PCV hose before it snaps during your M177 oil separator or rear main seal service.
Brand:
ES#:
3451397
Mfg#:
1770100604
Ships in 3 Business Days
7% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$45.00
This product was last offered at the strikethrough price on 07-15-2026
Avoid days of downtime and replace your brittle, heat-baked left-side PCV hose before it snaps during your M177 oil separator or rear main seal service.
Brand:
ES#:
3534825
Mfg#:
1770100504
Ships in 3 Business Days
7% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$42.00
This product was last offered at the strikethrough price on 07-15-2026
$39.00 USD
Free Shipping
on orders $49 and up
Lifetime Replacement
More About PCV Parts
Engines generate tons of pressure that has to go somewhere. A functioning crankcase pressure venting system, or PCV, is critical to preventing blowby and catastrophe. Repair or upgrade your PCV system with our catalog of OEM PCV components and aftermarket PCV upgrades.