Boundary Oil Pump Gears & Pumps

Shop Boundary billet oil pump gears, oil pump assemblies, crankshaft timing sprockets, and engine-oiling components at Black Ops Auto Works. Explore application-specific options for engine rebuilds, performance upgrades, and competition projects. Choose your Boundary parts by exact engine configuration, pump housing, and manufacturer part number rather than vehicle name alone.

Boundary Billet Oil Pump Gears

Boundary oil pump gears provide an upgrade option for compatible engine oil pumps. This collection includes gearsets for selected Ford Coyote and Modular, Chevrolet LS, Nissan, Subaru, Toyota, Honda, Mazda, and Mitsubishi applications. Compatibility depends on the individual gearset, housing design, crankshaft drive, and engine generation.

A gearset is not a complete oil pump assembly. Before ordering gears for an existing pump, confirm the required housing and have its condition and operating clearances checked. Similar-looking pumps can use different internal dimensions.

Complete Oil Pump Assemblies and Billet Back Plates

Boundary oil pump assemblies offer another route when your build calls for a replacement pump rather than gears alone. Selected listings include billet gears, vane-ported configurations, or billet back plates. Compare the exact assembly specifications to understand which housing, gearset, and additional components are supplied.

Do not assume that seals, pickup components, mounting hardware, or installation accessories are included. Review the product contents and your engine builder’s requirements before selecting an assembly.

MartenWear, Standard-Flow, and High-Flow Options

Selected Boundary products feature MartenWear-treated gears. Boundary describes MartenWear options as having hardened wear surfaces. Treatment availability and gear design vary by application, so check the specifications for the part you intend to purchase.

The collection also includes standard-flow, high-flow, race-flow, and dual-rotor listings for selected engines. These designations describe different configurations, not interchangeable upgrades. Match the pump to the engine’s clearances, oiling system, operating range, and intended use with guidance from your builder.

Engine-Specific Fitment Matters

Pay attention to distinctions within the same engine family. Subaru FA20D BRZ and FA20F WRX gear listings specify different applications and gear widths. Nissan RB26 listings distinguish between standard-housing and N1 options. Selected Honda gearsets specify an Orbit pump requirement.

Ford Coyote applications also vary by generation and Mustang or F-150 configuration. An engine swap or previously modified oiling system makes checking the installed hardware especially important. Use the actual engine and pump specifications rather than relying only on the vehicle’s model year.

Crankshaft Timing Sprockets and Oiling Accessories

Explore selected Boundary crankshaft timing sprockets, back plates, and oil pump accessories alongside the pump and gear options. Timing sprockets must match the intended crankshaft and timing-system configuration. Pressure-adjustment shims are application-specific components and should not be treated as a general solution for low oil pressure.

Before You Order Boundary Parts

• Identify the exact engine family, generation, displacement, and installed modifications.
• Match the Boundary part number to the required pump housing and crankshaft drive.
• Confirm gear dimensions, pump configuration, and any special housing requirements.
• Check whether the listing supplies gears, a complete assembly, or an accessory only.
• Review included components, required clearances, and installation instructions.
• Discuss flow requirements and pressure settings with your engine builder.

Frequently Asked Questions

What is the difference between Boundary oil pump gears and a complete pump?

Oil pump gears are internal components for a specified compatible housing. A complete pump listing supplies an assembly, but its included back plate, seals, and accessories depend on the exact product.

Will Boundary gears fit my factory oil pump?

Only if the gearset specifically supports that pump. Verify the housing, engine generation, gear dimensions, and manufacturer fitment notes before ordering.

Are Subaru BRZ and WRX oil pump gears interchangeable?

Do not assume they are interchangeable. This collection has separate FA20D BRZ and FA20F WRX listings with different specified gear widths. Match the exact engine and pump application.

Is a higher-flow oil pump always the better choice?

No. The appropriate configuration depends on the complete engine build and oiling system. Select flow capacity and pressure settings with your builder rather than choosing by the highest advertised specification.

Do Boundary oil pump parts require professional installation?

Installation involves internal engine components and application-specific measurements. An experienced engine builder should verify compatibility, clearances, assembly procedures, and the manufacturer’s priming requirements.

Shop Boundary at Black Ops Auto Works

Find Boundary oil pump components for your specific engine project, then explore our oil system parts and engine parts and upgrades for related build requirements. Confirm the manufacturer part number and installation details on each product page before purchase.