GM LS Engine Oil Accumulator Adapter (-10 AN)
GM LS Engine Oil Accumulator Adapter (-10 AN)
GM LS Engine Oil Accumulator Adapter (-10 AN)
GM LS Engine Oil Accumulator Adapter (-10 AN)
GM LS Engine Oil Accumulator Adapter (-10 AN)
GM LS Engine Oil Accumulator Adapter (-10 AN)
GM LS Engine Oil Accumulator Adapter (-10 AN)
GM LS Engine Oil Accumulator Adapter (-10 AN)
GM LS Engine Oil Accumulator Adapter (-10 AN)
GM LS Engine Oil Accumulator Adapter (-10 AN)

GM LS Engine Oil Accumulator Adapter (-10 AN)

WA01003LS-ST

$79.99
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Shipping calculated at checkout.

The LS Oil Accumulator Adapter Body is a precision-machined solution designed for GM LS-based engines, allowing seamless integration of an oil accumulator into your build. By providing a dedicated connection point for -10 AN plumbing, this adapter makes it easy to route pressurized oil to and from an accumulator system. 

Built from billet aluminum and machined to precise tolerances, this adapter delivers long-term durability and leak-free performance in high-stress environments. It’s a critical upgrade for performance engines that see hard acceleration, steep angles, or sustained high-RPM operation where oil pressure stability is essential.

Includes:

  • (1) LS Oil Accumulator Body
  • (1) Gasket
  • (2) 1/8" NPT Plugs
  • (1) Selected Adapter (Straight or 90°)
Specifications 

  • Application: GM LS-based engines

  • Material: Billet aluminum

  • Oil Port Size: -10 AN compatible

  • Plug Size: 1/8" NPT

  • Precision machined for exact fitment

  • Designed for oil accumulator integration

  • Supports high-performance and off-road use

  • Corrosion-resistant aluminum construction

Fitment 
Make Model Year Range Engine/Application
Chevrolet LS-Series Engines 1997–Present GM LS-Based V8 Engines
GMC LS-Series Engines 1997–Present GM LS-Based V8 Engines
Cadillac LS-Series Engines 1997–Present GM LS-Based V8 Engines
Pontiac LS-Series Engines 1998–2009 GM LS-Based V8 Engines

Additional Compatibility

  • Fits GM LS-based engines including LS1, LS2, LS3, LS6, LQ4, LQ9, and similar platforms
  • Compatible with oil accumulator systems using -10 AN lines
  • Ideal for off-road, racing, drifting, and high-performance applications
  • Verify AN line routing and chassis clearance during installation
  • Commonly used with remote oil filter and dry-sump style support systems
Tech Insight 

 1. What does an LS oil accumulator do?

An oil accumulator stores pressurized engine oil and releases it when oil pressure drops during hard acceleration, steep climbs, off-camber situations, braking, or high-RPM operation. This helps protect LS engines from momentary oil starvation that can damage bearings and other critical engine components.

2. Why would I need an oil accumulator on an LS engine?

Oil accumulators are commonly used on off-road vehicles, rock crawlers, Ultra4 race cars, drift cars, road race vehicles, and high-performance street builds. They provide an extra layer of protection during conditions where oil can move away from the pickup tube and cause temporary pressure loss.

3. Which LS engines does this adapter fit?

This adapter is designed for GM LS-based engines including LS1, LS2, LS3, LS6, LQ4, LQ9, and many other LS-platform V8 engines. It is commonly used in LS swaps, race vehicles, off-road buggies, and custom chassis builds.

4. What size oil lines does this adapter support?

The LS Oil Accumulator Adapter Body is designed around -10 AN oil plumbing, which is commonly used in accumulator systems because it provides excellent oil flow while maintaining proper pressure delivery. Always verify hose routing and clearance before installation.

5. Can this adapter be used with other oil system upgrades?

Yes. This adapter is frequently used alongside oil accumulators, remote oil filter systems, oil coolers, and other performance oiling upgrades. Many builders incorporate it into comprehensive oil management systems for improved engine protection and reliability.