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GM O.E. Replacement 5.7L Vortec 350 1/2 ton Truck/SUV Crate Engine + Level 1 Install Kit

Brand: GM OE Engine

Part Number: 12681432K1

UPC:


$2,089.94

 

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  • All new - NOT remanufactured
  • Fits 1996-2002 5.7L L31 half-tons
  • Level 1 Install Kit includes:
    gaskets, spark plugs, filter, etc.

12681432 5.7L Vortec 350 1/2 ton (1500) GM Crate Engine + Level 1 Install Kit

This O.E. Replacement GM 5.7L 350 L31 Vortec truck engine is found in thousands of 1996-2002 Chevrolet/GMC full-size pick ups, SUVs and vans. This is an all new long-block, from oil pan to valve covers, and it features cast-iron Vortec cylinder heads for maximum power and efficiency, a one-piece rear main seal, hydraulic roller lifters and center-bolt style valve covers.

This engine ships with our Level 1 Install Kit.

P/N 12681432 is a direct replacement for 1/2 ton 1996-2002 L31-equipped vehicles.

12681432 5.7L Vortec 350 1/2 ton (1500) GM Crate Engine + Level 1 Install Kit

126681432K1 Specifications:

  • 1996-2000 style block, 2 bolt mains, 1-piece rear seal  (No fuel pump provision)
  • Vortec cylinder 64cc heads (1.94" Int/1.50" Ext valves)
  • Nodular iron crankshaft, Powdered metal connecting rods
  • Hypereutectic aluminum pistons (9.4:1 compression ratio)
  • Roller cam (Lift .414" Int/.428" Exh; Duration @ .050" 191° Int/196° Ext)
  • Includes oil pan, timing cover, valve covers, and harmonic balancer

Level 1 Install Kit P/N PK57R includes the following:

  • 2 - 3754587 – WATER PUMP GASKETS
  • 1 - 88893990 – OIL FILTER ADAPTER GASKET AND SEAL KIT
  • 1 - 10108445 – DISTRIBUTOR GASKET
  • 1 - 19210338 – ACDELCO OIL FILTER
  • 1 - 12632948 – THERMOSTAT
  • 8 - 19256067 – SPARKPLUGS
  • 2 - 12550033 – EXHAUST MANIFOLD GASKETS
  • 1 - 89017465 – INTAKE MANIFOLD GASKET KIT
  • 1 - 19303069 – PCV

 

For a more complete setup we also offer this engine with a Level 2 Install Kit.


Vehicle applications:

1996-1998 Chevrolet / GMC Pickup (CK1,CK2); Tahoe / Yukon / Suburban (CK1,CK2)
1999-2000 Chevrolet / GMC Pickup (CK1); Tahoe / Yukon / Suburban (CK1)
1996-2002 Chevrolet Express / GMC Savana (G1,G2)

Note: 2-bolt mains. May require valve covers to be transferred from original engine for some applications. Service engine block contains English threads. When used for 2001 vehicles and newer, must also use 2000 MY starter/transmission/engine mounting bolts.

NOT designed for 3/4 or 1 ton (2500 or 3500) applications.  There are several differences with the heads and valvetrain in addition to the two-bolt mains. Drivability issues may occur without ECM calibrations. Warranty coverage is substantially less when the correct engine is not installed in your application. 3/4 or 1 ton vehicle owners click here for the correct engine.

NOT designed for marine use.

 

(Supersedes old GM P/N 12530282)

12681432 5.7L Vortec 350 1/2 ton (1500) GM Crate Engine

GM O.E. Replacement Crate Engines include a 36-month or 100,000-mile limited warranty when installed in proper applications. Contact us with your VIN or vehicle description to verify warranty.

Click here for more detailed warranty information.



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