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GM 7.5, 7.6, Patterned Fins Differential Cover

PML

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$255.00 - $320.00
SKU:
PMLI-DCASMAS94014-0620
Availability:
Usually ships in 2-7 business days
Year:
1983-2005
Make:
GM / Chevrolet
Model:
Various (See Application Chart)
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Product Overview

Volume: 0.5 qt. over stock, approximately

Dimensions: Click here for dimensions. 

Number of Bolts: 10 bolts, Guidelines for Bolt Sizes (click here), opens in new tab or window

PML makes two covers for the GM 7.5, 7.625 inch ring gear differential, 10 bolts. This cover has patterned fins. For the other cover, see PML GM 7.5, 7.625, Straight Fins differential cover.

Benefits:

  • Extra capacity
  • Drain hole and magnetic drain plug to simplify maintenance
  • Patterned fins for heat dissipation and a custom look
  • Sand cast aluminum construction for thick walls
  • Machined gasket flange for a secure seal
  • Only 5/8 inch deeeper than stock cover

Applications:

This PML diff cover fits the GM with 7.5 or 7.625 inch (7 1/2 or 7 5/8) ring gear 10 bolt differential. Configurations vary. Typical applications that may be able to use this cover include the following.

    • Chevy Astro Van, 1982 to 2005
    • Chevy Camaro, 1993 to 2002
    • Chevy S10, 1983 to 2004
    • Chevy S10 Blazer, 1983 to 2004

 

    • GMC Jimmy, 1984 to 2004
    • GMC S15, 1983 to 1994
    • GMC Safari Van, 1982 to 2005
    • GMC Sonoma, 1991 to 2004
    • GMC Typhoon

 

    • Pontiac Firebird, 1993 to 2002

 

  • Some Mazda trucks

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

Bolt Information: GM has used four different bolts on these differentials. See Guidelines for Bolt Sizes (click here), opens in new tab or window

Brackets and Cables: Some vehicles have brackets or 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.

Optional Machining For Temperature Sending Unit

This cover has thick pad that allows for machining for an aftermarket temperature sensor sending unit. This would be on the face of the cover. There is a machining charge for PML to drill and tap the hole.

temperature sending unit machining on PML GM 7.5 rear differential cover   temperature sending unit machining, inside ofPML GM 7.5 rear differential cover   temperature sending unit machining, inside ofPML GM 7.5 rear differential cover
Click on image to view larger.

PML includes a plug for the hole when optional machining is ordered.

PML Differential Cover Compared to Stock

PML Differential Cover Part Number 9401 compared to stock   PML Differential Cover Part Number 9401, compared to stock, top view
Click on image to view larger in a new tab or window.

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

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