Honda OEM Rear Main Seal B16A B18C B-Series VTEC
Honda OEM Rear Main Seal B16A B18C B-Series VTEC is backordered and will ship as soon as it is back in stock.
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Protect your B-series build from oil leaks with this Honda OEM Rear Main Seal, specifically engineered for the B16A B18C engine. Whether you're swapping in a B16A B18C or maintaining your 99-00 Civic Si | 94-01 Integra, this factory seal ensures tight, leak-free performance at the rear of the crankshaft where reliability matters most.
Designed to Honda’s original specifications, this rear main seal provides long-lasting durability and a perfect fit—ideal for engine rebuilds, clutch service, or preventative maintenance.
This is the seal that is behind your flywheel, it is highly recommended to replace it with a new unit when you remove the transmission for service. Especially on an older vehicle with a seal that hasn't been changed.
Honda OEM Part
Fitment:
B16A B16A2 B16A3
B18B1
B18C B18C1 B18C5 B18C6
Proposition 65 Warnings.
Cancer and Reproductive Harm. See details below.
Items that are not CARB Legal will not be sold and ship to California or CARB states.
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