GM Genuine Parts 6.2L 8-Cylinder Engine Assembly
OE
Pack of 1

GM Genuine Parts 6.2L 8-Cylinder Engine Assembly

GM Part #12687020

MSRP$10,174.40*
Refundable Core Charge:
+$2,500.00

GM Genuine Parts Engine Long Blocks are designed, engineered, and tested to rigorous standards, and are backed by General Motors.

  • Long block is an almost complete engine
  • Includes crank shaft, heads, camshaft and valve train
  • Includes many pre matched components from manufacturer already installed

Pack of 1

About this product

GM Genuine Parts Engine Long Blocks are designed, engineered, and tested to rigorous standards, and are backed by General Motors. Long blocks are engine sub assemblies that include all cylinder components: crank shaft, cylinder head, and camshaft (usually) and valve train.GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Warning WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

  • Long block is an almost complete engine
  • Includes crank shaft, heads, camshaft and valve train
  • Includes many pre matched components from manufacturer already installed
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies

ClassificationOE
Core Charge2500.00
Fuel TypeGas
Cylinder Quantity8
Main Bearing Cap Bolt Quantity6

36 Months/100,000 Miles Limited Warranty for Parts (plus Labor if installed by a GM dealer)

Please visit our warranty page on Gmparts.com for full warranty details.

Before purchasing and installing engine long blocks, make sure it is the correct fit for your vehicle

  • Keep coolant levels full to prevent overheating in engine block
  • Do not pour cold water into an overheated block this may cause it to crack
  • Change oil regularly and see Owner's Manual for details
  • Regularly inspect engine long blocks for signs of damage or wear and replace them if signs of damage are found

Before purchasing and installing engine long blocks, make sure it is the correct fit for your vehicle

  • Keep coolant levels full to prevent overheating in engine block
  • Do not pour cold water into an overheated block this may cause it to crack
  • Engine misfire
  • Loss of power
  • Engine overheating
  • Excessive oil and/or coolant consumption
  • Oil in the antifreeze or antifreeze in the engine oil

Certain automotive parts can be recycled and remanufactured for future use. These parts have a "core charge" that is used as a deposit on the portion of the part that can be reused. The reason for this charge is to encourage the return of your old part. When the recyclable component from your old part is returned to us, the charge is refunded to you.

ModelBody StyleTrimYear(s)
CorvetteZR12019

Frequently Asked Questions

Yes, always consult the Vehicle Owner's manual or an expert technician before making any repairs or adjustments.

No, a component in the block like a piston ring or bearing can be repaired, but any damage to the block core itself is cause to replace the engine block.

Yes, they differ in the number of parts they contain - the long block comes with cylinder head(s) and valve train components while the short block does not.