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12457703 - NEW GM 1999 4.8L, 292 CID, 8 Cylinder Engine

This product may require vehicle validation(s) for proper fitment. Please contact us to confirm correct vehicle fitment and usage.

Availability: Replaced by 12457703
Shipping: FREE 48 State Shipping


Consists of engine block, crankshaft, connecting rods, pistons, piston rings, cylinder head assemblies (including valve train components), lifters, camshaft, timing gears and chain, timing chain dampener, front cover, harmonic balancer, oil pump, valve covers and oil pan, unless otherwise specified.

RPO - LR4 (M30)
1999 Chevrolet Pickup (CK1)
1999 GMC Pickup (CK1)

Notes: For automatic transmisson applications.

Application List



  • 12457703
  • 12457703
  • GM (General Motors)
  • Replaced by 12457703
  • New


Shipping Information

  • Item Requires Shipping
  • 510.0 lbs.
  • W30.3000” x H33.0000” x L33.0000”
  • FREE 48 State Shipping

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