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.
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 4 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 08-24-2026
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 4 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 08-24-2026
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
