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The HKS Oil Pump Upgrade RB26 Nissan GT-R is designed for the 1989-2002 Nissan Skyline. Match manufacturer part number 15003-AN001, the complete vehicle or system configuration, dimensions, connections, and included components before ordering.
Key Features
- Increased Discharge Volume: Provides 140% higher oil flow versus stock at 8000 RPM for better high-speed lubrication.
- Aluminum Die-Cast Body: Lightweight yet durable construction resists deformation under extreme pressure.
- Optimized Relief Valve: Set to stock pressure specs for safe operation across RPM ranges.
- Reduced Rotor Clearance: Generates higher output pressure while minimizing internal leaks.
- Direct Fit Design: Bolts directly into RB26DETT block with no modifications required.
- Pair with HKS oil pan for maximum capacity gains in high-power builds.
Fitment
| Years | Make | Model | Application |
|---|---|---|---|
| 1989-2002 | Nissan | Skyline | Confirm engine, body style, system configuration, and exact interface |
Specifications
| Brand | HKS |
|---|---|
| Manufacturer Part Number | 15003-AN001 |
| Product Type | Oil Pumps |
| Fitment Type | Vehicle Specific |
| Condition | New |
What's Included
One new HKS oil pumps identified by manufacturer part number 15003-AN001, in the quantity stated by the title. Additional wiring, pipes, hoses, clamps, fittings, gaskets, fluids, tuning, tools, and installation hardware are included only when expressly listed for this exact part number.
About HKS
HKS develops exhaust, forced-induction, cooling, engine, electronics, and exterior components for import and performance vehicle applications.
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Frequently Asked Questions
How do I confirm this HKS part is correct?
Match the exact manufacturer part number, dimensions, material, finish, quantity, electrical requirements, and connection or mounting interface before ordering.
Is this a complete kit?
Only the components stated in the title and What’s Included section are supplied. Related wiring, fittings, hoses, clamps, sensors, tools, or hardware may be sold separately.
Can this part be used in a custom application?
Universal parts may work when every dimension and interface is verified. Vehicle-specific or system-specific parts should not be treated as universal without current manufacturer confirmation.
Installation Instructions
Follow the current HKS instructions and the vehicle service manual for part number 15003-AN001. Compare every component, connection, dimension, and mounting point before disassembly. Use the correct tools, fasteners, torque values, fluids, wiring protection, and safety procedures, then inspect for leaks, interference, heat exposure, clearance, and secure operation before normal use.
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