GReddy High Capacity Oil Pan – Nissan SR20DET | S13 / S14 / S15 Silvia / 240SX | Increased Oil Volume

The GReddy High Capacity Oil Pan for the Nissan SR20DET is a direct-fit replacement oil pan engineered to increase the SR20DET's oil volume beyond the factory capacity — providing improved oil starvation protection under the high-G cornering, hard braking, and sustained high-RPM conditions of track and performance driving where the factory oil pan's capacity and baffling are insufficient to maintain consistent oil pressure and oil pickup coverage. The SR20DET is one of the most popular and capable Japanese performance engines — but its factory oil pan is a known weak point in high-performance applications, where oil surge under lateral G-forces can uncover the oil pickup and cause momentary oil pressure loss. GReddy's high capacity pan addresses this limitation directly — increasing oil volume and improving oil management for SR20DET builds that are pushed beyond the factory engine's intended operating envelope. Engineered for the S13, S14, and S15 chassis SR20DET applications.

Key Features:

• High capacity design — increased oil volume over the factory SR20DET oil pan — more oil in the system means more reserve volume before oil surge uncovers the pickup under lateral G-forces
• Oil starvation protection — increased capacity and GReddy's pan geometry reduce the risk of oil pickup uncovering under the high-G cornering, hard braking, and sustained high-RPM conditions of track and performance use
• Direct-fit replacement — engineered as a direct replacement for the factory SR20DET oil pan on S13, S14, and S15 chassis applications — uses factory mounting points and oil drain plug location
• SR20DET specific — engineered for the Nissan SR20DET engine as fitted to the S13, S14, and S15 Silvia and 240SX platforms
• GReddy quality — manufactured by GReddy (Trust), one of Japan's most respected performance engine and turbo component brands with extensive SR20DET development experience

Why a High Capacity Oil Pan on the SR20DET?

• Factory Oil Pan Limitation: The SR20DET's factory oil pan is engineered for normal street driving conditions — moderate cornering G-forces, moderate RPM, and normal oil temperatures. Under track conditions — sustained high-G cornering, hard braking, and high-RPM operation — the factory pan's oil volume and baffling can allow oil to surge away from the pickup, momentarily uncovering it and causing oil pressure loss. Even brief oil pressure loss at high RPM can cause significant engine damage — bearing wear, journal scoring, and in severe cases, catastrophic engine failure.
• Increased Volume Advantage: A high capacity oil pan increases the total oil volume in the system — providing a larger reserve of oil that must be displaced before the pickup is uncovered under lateral G-forces. More oil volume means more time before surge becomes a problem, and more margin for the oil to return to the pickup after a high-G event. For track and performance applications where the SR20DET is subjected to sustained lateral G-forces, increased oil volume is the most straightforward oil starvation mitigation strategy.
• SR20DET Track Use: The SR20DET is a popular engine for track day, time attack, and drift applications — all of which subject the engine to sustained lateral G-forces that the factory oil pan is not designed to handle reliably. For SR20DET builds that are used on track, a high capacity oil pan is a fundamental engine protection upgrade that should be considered alongside other track preparation items.
• Drift Application: Drift driving subjects the SR20DET to sustained lateral G-forces in a consistent direction — the oil surges to one side of the pan and can uncover the pickup for extended periods during a drift. The GReddy high capacity pan's increased volume provides additional protection in this demanding application.

Specifications:

• Brand: GReddy (Trust)
• Part Number: GRE13525901
• Barcode: 13525901
• Type: High capacity oil pan
• Application: Nissan SR20DET — S13 / S14 / S15 Silvia / 240SX
• Weight: 8.2 lbs

Fitment Information:

• Nissan Silvia S13 — SR20DET
• Nissan 240SX S13 — SR20DET swap
• Nissan Silvia S14 — SR20DET
• Nissan 240SX S14 — SR20DET swap
• Nissan Silvia S15 — SR20DET
• Note: Verify fitment for your specific SR20DET variant (SR20DET, SR20DE, SR20VET) and chassis configuration before ordering. Confirm clearance with your specific S-chassis subframe, steering rack, and front crossmember configuration — particularly on S13 and S14 chassis with modified front suspension or steering components. Professional installation recommended.

What's Included:

• GReddy high capacity oil pan — Nissan SR20DET S13/S14/S15 (GRE13525901)
• Refer to GReddy's product documentation for complete hardware contents

Installation Notes:

• Professional installation recommended — oil pan replacement requires correct torque sequence, correct gasket installation, and correct oil fill procedure after installation
• Use a new oil pan gasket — do not reuse the factory gasket. Source the correct replacement gasket for the GReddy pan before installation.
• Clean the engine block mating surface thoroughly before installation — any old gasket material, sealant, or debris on the mating surface will cause oil leaks
• Torque the oil pan bolts to the correct specification in the correct sequence — uneven torque can distort the pan flange and cause oil leaks
• Verify clearance with the subframe, steering rack, and front crossmember before installation — the increased pan depth may require clearance verification on modified S-chassis builds with lowered suspension or modified front end components
• Refill with the correct oil type and quantity for the GReddy high capacity pan — the increased capacity will require more oil than the factory fill quantity. Verify the correct fill quantity before starting the engine.
• Check for oil leaks after the first heat cycle — verify all pan bolts are correctly torqued and the gasket is sealing correctly

Why GReddy?

GReddy (Trust) is one of Japan's most respected and longest-established performance brands — with a product lineup spanning turbochargers, intercoolers, exhaust systems, oil pans, and engine components for a wide range of Japanese performance platforms. GReddy has a long history of development on the SR20DET platform — one of the most popular and capable Japanese performance engines — and their SR20DET high capacity oil pan reflects that platform-specific development experience. For SR20DET owners who want a quality oil pan upgrade from a brand that genuinely understands the engine's performance requirements and limitations, GReddy is the correct choice.

Perfect For:

• Nissan SR20DET S13, S14, and S15 owners who use their car on track and need improved oil starvation protection beyond the factory oil pan's capacity and baffling
• SR20DET drift builds where sustained lateral G-forces subject the factory oil pan to oil surge conditions that risk uncovering the oil pickup
• High-power SR20DET builds where elevated oil temperatures and sustained high-RPM operation demand improved oil volume and management
• Owners building a comprehensive SR20DET engine protection package — pairing the GReddy high capacity pan with an oil cooler, accusump, or other oil system upgrades for maximum engine protection on track

Note: Verify SR20DET variant and S-chassis configuration fitment before ordering. Verify subframe and front end clearance on modified builds. Use a new gasket — do not reuse the factory gasket. Verify correct oil fill quantity for the increased capacity pan. Check for leaks after first heat cycle.