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    Camshafts (replacement)
    Gaskets & Seals
    PCMs / ECMs / ECUs
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    Gasket Sets
    Intake Manifolds
    Bearing Kits - Crank & Rod
    New Crate Engines

Northstar Part Numbers List

   Use this guide for quick reference when ordering parts. Not guaranteed accurate, but we use this list

   GM Parts are the best quality. Use them when ever you can.

Rear Main Seal   GM P/N 12568025 
Camshaft Seal   GM P/N 01647477
Timing Cover Gasket 1998-2010 2nd design   GM P/N 12554519
Lower Coolant Crossover Gasket (all years)   GM P/N 12562046
Upper Coolant Crossover Gasket 93-99   GM P/N 12562047
Upper Coolant Crossover Gasket 2000+ FWD   GM P/N 12583048
Heater Pipe Quick Connector (threads into coolant crossover)   GM P/N 25689629 
Heater Pipe - Lower (three hose connections)   GM P/N 25688468 
Heater Pipe - Upper (two connections)   GM P/N 25671310 
Intake Manifold Gasket- 95-99 (2 required)   GM P/N 03537121 
Spark Plugs - AC-Delco Professional Platinum 41-950   GM P/N 19301811 
Thermostat (front wheel drive Northstar)   GM P/N 12559807 
AC-Delco Engine Sealant (Best in the world)   GM P/N 88901148 
Firewall Cover for servicing A/C Evaporator E/K body  GM P/N 89019293 

New Products

  • 2000-2003 PCM Tuning
  • E/K Body Engine Mounts
  • 04-05 PCM Tuning
  • Eagle Forged Rods
  • Vinyl Decals
  • Gasket Sets

PCM Tuning - click here!

Engine Mounts - click here!

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Vehicles We Specialize In

Buick Lucerne (V8)
Pontiac Bonneville GXP
Oldsmobile Aurora

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Email: info@northstarperformance.com | We have installers across the USA and Canada

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