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PML Differential Covers for the GM 7 1/2", 7 5/8" Ring Gear, 10 Bolt

PML makes two different covers for this GM rear differential. Choose based on space available and your fin pattern preference.

Part Number 6086 Part Number 9401
Straight Fins Pattern Fins
0.5 quarts over stock 0.5 quarts over stock
3.9 inches deep 2.9 inches deep
Price varies with the finish and is the same for both designs. Price varies with the finish and is the same for both designs.
Available in three finishes, shown below Available in three finishes, shown below
PML GM 7 1/2", 7 5/8"  Diff Cover, as-cast, straight fin PML GM 7 1/2", 7 5/8"  Diff Cover, as-cast, patterned fin
PML GM 7 1/2", 7 5/8"  Diff Cover, black powder coat, patterned fin PML GM 7 1/2", 7 5/8"  Diff Cover, black powder coat, patterned fin
PML GM 7 1/2", 7 5/8"  Diff Cover, black powder coat, patterned fin PML GM 7 1/2", 7 5/8"  Diff Cover, black powder coat, patterned fin

Always check your vehicle for clearance before ordering a larger aftermarket part.

Applications

This diff cover fits the GM with 7 1/2" (7.5") or 7 5/8" (7.625") ring gear 10 bolt differential. Typical applications include the following. Be aware that for each model and year there maybe more than one rear axle possible. See also the PML GM 10 bolt 8½ cover.

  • Chevy S10, 1983 to 2004
  • Chevy S10 Blazer, 1983 to 2004
  • GMC S15, 1983 to 1994
  • GMC Sonoma, 1991 to 2004
  • GMC Jimmy, 1984 to 2004
  • Chevy Astro Van, 1982 to 2005
  • GMC Safari Van, 1982 to 2005
  • Camaro, 1993 to 2002
  • Firebird, 1993 to 2002
  • Some Mazda trucks

Some vehicles have brackets/cables on or near the stock cover. PML does not have any information on modify these to work with our larger cover. Such modifications are the responsiblity of the installation. See our Return Policy.

Configurations vary. Always check your vehicle to verify differential and clearance.