Boundary Racing
Boundary 91.5-05 Ford/Mazda BP (All Types) I4 Oil Pump Assembly (w/o Crank Seal)
Boundary 91.5-05 Ford/Mazda BP (All Types) I4 Oil Pump Assembly (w/o Crank Seal)
Regular price
$769.00 USD
Regular price
Sale price
$769.00 USD
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- Ships direct from the brand or supplier
- Tracking emailed when it ships
- Free fitment check before you order
Boundary Racing Boundary 91.5-05, listed for Ford and Mazda. Oil pumps are usually replaced during an engine rebuild or when pressure drops, together with the pickup screen.
Quick facts
- Brand: Boundary Racing
- Part type: Oil pump
- Listed for: Ford and Mazda
Tip: Prime the new pump with oil before installation so it picks up quickly on first start.

About this oil pump
Oil pumps are usually replaced during an engine rebuild or when pressure drops, together with the pickup screen.
Fitment notes
- Specs, lead time and warranty come from Boundary Racing and can change. The details above this guide are the latest we have.
Not sure it fits? Tell us exactly what you drive and we'll confirm fitment first. It's free and saves a return.
Ask about fitmentParts that usually go with it
- Oil pan gasket. The pan usually comes off for this job.
- Oil and filter. Start fresh after the job.
More for your car: Mazda Oil Pumps · All Oil Pumps · Engine
Questions about oil pump
Will this fit my car?
Check the title and details above for the vehicles and part number it is listed for. If you are not sure, contact us with your year, make, model, engine and trim and we will confirm fitment before you order.
What causes low oil pressure?
Low oil level, a worn pump, a clogged pickup or worn bearings are the usual causes.
Where do specs and warranty details come from?
From Boundary Racing. Each brand sets its own specs, lead times and warranty terms, and they can change. The product details above are the latest we have.
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