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Starting at $68.95, AutoBuffy stocks 3 engine oil pumps from SKP to fit your Honda Prelude. The oil pump pressurizes engine oil and circulates it to every moving part inside the engine. When it fails, oil pressure drops and metal-on-metal contact begins within seconds — leading to catastrophic and often irreversible engine damage if ignored.
Oil pump selection comes down to two main factors: whether the replacement matches your engine's original pump style (gear-rotor, gerotor, or vane), and whether you want a direct OE-equivalent or an upgraded higher-volume unit. For most daily drivers, an OE-spec replacement restores proper pressure; high-performance or high-mileage engines often benefit from a higher-volume pump that maintains pressure as internal clearances widen.
| Option | Best for | What you get |
|---|---|---|
| OE-Replacement (standard volume) | Daily drivers with normal mileage seeking a direct swap | Matches factory pressure specs and pickup tube fitment; straightforward installation with no engine modifications required |
| High-Volume Pump | High-mileage engines, performance builds, or engines with worn bearings | Greater oil flow at idle and low RPM to compensate for increased internal clearances; same bolt pattern as OE on most applications |
| High-Pressure Pump | Forced-induction or racing engines that run thin synthetic oil at high RPM | Elevated relief-valve setting maintains pressure under extreme heat and load; may cause bypass-valve chatter on stock engines — verify compatibility |
| Complete Oil Pump Kit (pump + pickup tube + gaskets) | Any repair where the pickup tube O-ring or screen shows wear, or the pan has been dropped | All failure-prone components replaced together; reduces the chance of a second teardown and is typically the best value for a full repair |
Replacing an oil pump typically requires draining the engine oil, removing the oil pan to access the pump, and — depending on the engine design — removing the timing cover or front cover as well. The pump must be properly seated on the crankshaft snout or block registers before fasteners are torqued in the sequence specified in a service manual for your engine. Always refill with fresh oil, verify pressure with a mechanical gauge before sustained driving, and inspect for leaks at the pan gasket and pickup tube.