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  Home > Chevrolet > '07-'08 Silverado > Exterior >

GM 8" and 8 5/8" Ring Gear, Vertical Fins, 10 Bolt Differential Cover PML-6082
GM 8½" and 8 5/8" Ring Gear, Vertical Fins, 10 Bolt Differential Cover PML-6082

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Our Price: $165.00

Product Code: PML-6082




Description Technical Specs

Applications for a PML GM 10 Bolt Differential Cover

This PML differential cover fits the rear end differential on many GM, GMC, and Chevrolet vehicles. Typical applications include the following. Be aware that for each model and year there may be more than one rear axle possible.

Ton Trucks, 1979 to Current:

  • C10 & K10
  • C1500 & K1500
  • Silverado 1500
  • Sierra 1500

Ton Trucks, 1979 to 1998:

  • C20 & K20
  • C2500 & K2500

Ton Vans, 1979 to Current:

  • Vandura
  • Express
  • Savana
  • G1500

Ton Vans, 1979 to Current:

  • Vandura
  • Express
  • Savana
  • G2500

Full Size Blazer, 1977 to 1994

GMC Jimmy, 1977 to 1991

Escalade, Tahoe & Yukon, 1992 & newer
(check for panhard bar)

Avalanche 1500

Suburban 1500, 1982 to 2006

Hummer H3

These rear end covers also fit on older vehicles with the GM 8 1/2" differential. For example:

  • 1966 Impala GM 8 1/2" differential, 10 bolt
  • 1960s Chevelle, GM 8 1/2" differential, 10 bolt
  • 1966 Pontiac GTO with GM 8 1/2" differential, 10 bolt with slight bolt hole modifications (please email or call for details)

Note that these covers will not fit the front axle 10 bolt 8 1/2" ring gear differential found on some 4WD Chevy and GMC SUVs and trucks.

Temperature Sensor Port Option

If you would like PML to machine your pan for a temperature sensor, there is an additional charge of $40. Please include temperature sensor size in the order notes, or you may order over the phone to insure accuracy. 888-832-5248

Bolt Information

PML includes mounting bolts with all differential covers. PML provides bolts that are longer than the stock bolts since the flange on PML's cover is much thicker than stock. The bolts with the stock cover will not work.

GM has used four different bolts on these differentials so to complete your order, we need to know which bolts you have. These differentials have used both metric and standard cover bolts. The bolt length has not been consistent either. When ordering one of these covers, you will need to pull one of your stock bolts out (a top bolt is best) and measure the length and determine whether it is metric or standard.

  • Bolt length is measured from the underside of the head (where a washer would sit) to the tip. If the bolts are metric, the length will be 21mm or 16mm. If the bolt is standard, the length will be 5/8 inch or 7/8 inch.
  • Metric bolts will have 20 threads per inch, standard ones will have 18. Also, a bolt head with lines or letters on it is typically standard. A bolt with numbers such as 5.8, 9.8, 10.9, or 12.9 is likely to be metric.

We know this is a hassle, but we do not want to send the wrong bolts or charge everyone a lot of extra money to cover sending all possible bolts with each cover.


PML Differential Cover Features:

  • Increased oil capacity for cooler temperatures
  • Sand-cast aluminum with raised fins
  • 3/16-inch thick wall construction to add strength to differential housing
  • 3/8-inch thick gasket flange will not bend when bolts are tightened
  • Machined gasket surface for a secure seal using RTV or factory reusable gasket
  • Oil changes without removing the cover
  • All hardware provided, including magnetic drain plug

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