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.
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
In Stock
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 10-10-2026
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
In Stock
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 10-10-2026
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.
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.
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.
Repairing failed emission components doesn't just turn off the check engine light so you can pass your local emissions test, it also improves performance and fuel economy. ECS stocks all common emission controls, from oxygen sensors to PCV valves.
Lifetime Replacement
