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GM 7½" and 7 5/7" Ring Gear, Straight Fins, 10 Bolt
Differential Cover

P/N 6086

Differential Cover, GM 7.5 10 bolt Differential Cover, GM 7.5 10 bolt Differential Cover, GM 7.5 10 bolt, polished

As-cast finish
$165.00

8mm-1.25x21 bolts: Go To Cart

8mm-1.25x16 bolts: Go To Cart

5/16in-18x7/8 bolts: Go To Cart

5/16in-18x5/8 bolts: Go To Cart

Black powder coating
$215.00

8mm-1.25x21 bolts: Go To Cart

8mm-1.25x16 bolts: Go To Cart

5/16in-18x7/8 bolts: Go To Cart

5/16in-18x5/8 bolts: Go To Cart

Polished finish
$280.00

8mm-1.25x21 bolts: Go To Cart

8mm-1.25x16 bolts: Go To Cart

5/16in-18x7/8 bolts: Go To Cart

5/16in-18x5/8 bolts: Go To Cart

Click on the button under the bolt size you need to order the differential cover. Scroll down for more information on bolts.

Volume: 0.5 qt. over stock, approximately

Dimensions: Click here for dimensions. A separate window or tab will open.

PML makes two differential covers for the GM 7½, 7 5/8 inch 10 bolt rear end. To see both options, go to PML GM 7½" differential covers.

Applications

This diff cover fits GM vehicles 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 to1994
  • GMC Sonoma, 1991 to 2004
  • GMC Jimmy, 1984 to 2004
  • Chevy Astro Van, 1982 to Current
  • GMC Safari Van, 1982 to Current
  • Camaro, 1993 to 2002
  • Firebird, 1993 to 2002

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 Compared to Stock

PML Differential Cover Part Number 6086 height compared to stock  PML Differential Cover Part Number 6086, compared to stock
Click on image to view larger.

These images show this PML differential cover compared to the stock cover.

This image compares the depth of both PML GM 7 1/2, 7 5/8 inch rear differential covers and the stock cover. Click on image to view larger in a new tab or window.
PML GM 7 1/2 Differential Covers depth comparisons

For a larger picture, please click one of the above images. A separate window will open showing a bigger picture. (The larger pictures take a minute to display.)

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

Learn more about finishes and construction of PML parts.