Genuine GM LS High Volume Oil Pump
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Genuine GM L76/L77 AFM & LSA High Volume Oil Pump (SKU 12710304)
Suits: GM L76/L77 AFM (Displacement on Demand) and LSA engines. Does not suit: LS1 or LS3/L98 engines.
Engineered by GM for applications that demand more flow, this genuine high volume pump helps maintain stable oil supply for AFM lifter circuits and the elevated demands of supercharged LSA combinations. It’s a direct OEM-quality solution for street, tow and performance builds that need dependable oiling under heat and RPM.
Features & Benefits
- Genuine GM part: OEM quality, fit and durability.
- High-volume rotor set: Increased flow versus standard LS pumps to support AFM and supercharged LSA oiling needs.
- Stable pressure: Consistent lubrication at idle and high RPM for longevity and peace of mind.
- Direct fit: Designed for L76/L77 AFM and LSA front-mounted pump architecture with factory pickup.
Part Number
- 12710304 – Genuine GM High Volume Oil Pump
Fitment Notes
- Designed for L76/L77 AFM and LSA engines.
- Not compatible with LS1 or LS3/L98 engines.
- Verify sump, pickup and accessory drive combinations during mock-up.
Installation Tips
- Inspect the pickup O-ring and replace if in doubt (use the correct GM O-ring for your pickup tube).
- Lightly lubricate seals, prime the pump before start-up and follow OEM torque procedures.
- Check pickup-to-pan clearance (commonly ~6–8 mm) and ensure no baffle interference.
- Confirm hot idle and cruise oil pressure with a gauge or scan tool after installation.
Recommended With (sold separately)
- GM Oil Pickup O-Ring (Blue 12557752 or Red 12584922 – choose to suit your pickup)
- PUG001 Pickup Tube Girdle for added security at the pump/pickup joint
- Fresh engine oil and filter for run-in
Note: Professional installation is recommended. Confirm compatibility with your specific engine and sump configuration before final assembly.
| Product Name | Genuine GM LS High Volume Oil Pump |
|---|---|
| Brands | GM |
| Engine | ChevLS, Chev LS7, Chev LS 5.3L (15° Heads), Chev LS (15° Heads), Chev LT1, GM / LS, Holden GEN III 5.7 LITRE V8, LS 5.7L, LS 5.7L and 6.0L V8 |
| Make | GM, Holden |
Delivery & Freight
We are an Australian-based company that ships items nationally and internationally, usually within 48 hours of receiving your order. High-value items shipped internationally are sent via DHL Express, while lower-value items are sent via Australia Post Express unless otherwise instructed.
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Disclaimer:
Product images are for description purposes only. Actual product may vary.
Shipping calculations available at checkout.
If you are unsure, get in touch by emailing [email protected], messaging us on Facebook, or phoning us at +61 7 5645 1333 (8am to 2pm AET).
When should I upgrade the oil pump or gears?
High rpm, high boost or track use normally justify upgrading the pump or billet gears, especially on engines known for oil pump weakness.
Do I need an oil restrictor or head drain?
Some DOHC turbo engines benefit from a restrictor and head drain to control oil pooling at high rpm. Whether you need one depends on your build.
What engines is the Genuine GM LS High Volume Oil Pump compatible with?
The Genuine GM LS High Volume Oil Pump (SKU 12710304) is specifically designed for L76/L77 AFM and LSA engines. It is not compatible with LS1 or LS3/L98 engines.
What are the benefits of using a high volume oil pump in my LS engine?
Using a high volume oil pump helps maintain stable oil supply, especially for AFM lifter circuits and supercharged LSA applications. It provides increased flow compared to standard LS pumps, ensuring consistent lubrication at both idle and high RPM.
What installation tips should I follow when fitting the oil pump?
Inspect the pickup O-ring and replace it if necessary, lubricate seals lightly, and prime the pump before start-up. Ensure proper pickup-to-pan clearance of around 6–8 mm and check for baffle interference. Confirm oil pressure after installation using a gauge or scan tool.
Do I need to use a specific oil pickup O-ring with this pump?
Yes, it is recommended to use the correct GM O-ring for your pickup tube. Options include the Blue 12557752 or Red 12584922, depending on your specific pickup configuration.
Is professional installation recommended for the Genuine GM LS High Volume Oil Pump?
Yes, professional installation is recommended to ensure proper fitment and function. Always confirm compatibility with your specific engine and sump configuration before final assembly.
