When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Vehicle Information:
Specifications:
Gear Ratio: 3.73
Cover Bolt Quantity: 10
Differential Model: GM 7.5\"
Carrier Type: Eaton Clutch Style
Carrier Spline Count: 28
Pinion Shaft Diameter: 1.438 Inch
Pinion Spline Count: 27
Ring Gear Bolt Quantity: 10
Ring Gear Diameter: 7.5 Inch
Ring Gear Material: Steel
Ring Gear Rotation: Standard
OEM Part Number:
GM75-28-373, GM7528373, 75-28-373, 7528373
GM 7.5\"/7.625\" 28 Spline 10 Bolt 3.73 Ratio
Fit For the Following Models:
Buick Electra (1982 - 1984)
Buick Regal (1982 - 1983)
Chevrolet / Chevy Astro / Safari Van (1982 - 1992)
Chevrolet / Chevy Camaro (1982 - 1989)
Chevrolet / Chevy Caprice (1982 - 1992)
Chevrolet / Chevy El Camino (1982 - 1987)
Chevrolet / Chevy Impala (1982 - 1992)
Chevrolet / Chevy Malibu (1982 - 1983)
Chevrolet / Chevy Monte Carlo (1982 - 1988)
Chevrolet / Chevy S10 Blazer / Pickup (1983 - 1992)
GMC S15 Jimmy / Pickup (1983 - 1992)
GMC Sonoma (1994 - 2000)
Grumman LLV (1987 - 1990)
Isuzu Rodeo (1990 - 1999)
Oldsmobile Bravada (1991 - 1992)
Oldsmobile Cutlass (1982 - 1988)
Pontiac Bonneville (1982 - 1986)
Pontiac Firebird (1982 - 1989)
Pontiac Grand Prix (1982 - 1987)
Pontiac Trans Am (1982 - 1989)
Package Includes:
7.5\" / 7.625\" (Eaton-Style) Posi Unit (28 Spline)
7.5\" Ring & Pinion (3.73 Ratio)
7.5\" Master Bearing/Installation Kit
- Shipping Policy
- Payment Method
- Returns Policy
Shipping Policy
-Please leave us your full name, your telephone number and detailed address when ordering.
-We ship to your or Paypal address. Please make sure your and Paypal address is correct before you pay the order.
-We try our best to pack the products as good and safe as possible ,so they always arrive in a good condition.
-The items will be the shipped the same working day for the order before 10:00 a.m.
-The items will be the shipped the other working day for the order after 10:00 a.m.
Payment Method
-We accept PayPal only.
-All major credit cards are accepted through secure payment processor PayPal.
-Payment must be received within 4 business days of sale closing.
Returns Policy
-We offer sophisticated products at a high technological level, with the highest possible quality and the most favorable price.
-With these parts you can replace your defective parts simply plug and play.
-Our warranty is valid for max. 24 months without mileage limitation.
-Please compare carefully with Photos or OE number before purchasing the part.
-Once a problem occurs with the purchased product, please do not hesitate to let us know with messages,we will offer you refund or replacement.
Product ViewVehicle Information:
Specifications:
Gear Ratio: 3.73
Cover Bolt Quantity: 10
Differential Model: GM 7.5\"
Carrier Type: Eaton Clutch Style
Carrier Spline Count: 28
Pinion Shaft Diameter: 1.438 Inch
Pinion Spline Count: 27
Ring Gear Bolt Quantity: 10
Ring Gear Diameter: 7.5 Inch
Ring Gear Material: Steel
Ring Gear Rotation: Standard
OEM Part Number:
GM75-28-373, GM7528373, 75-28-373, 7528373
GM 7.5\"/7.625\" 28 Spline 10 Bolt 3.73 Ratio
Fit For the Following Models:
Buick Electra (1982 - 1984)
Buick Regal (1982 - 1983)
Chevrolet / Chevy Astro / Safari Van (1982 - 1992)
Chevrolet / Chevy Camaro (1982 - 1989)
Chevrolet / Chevy Caprice (1982 - 1992)
Chevrolet / Chevy El Camino (1982 - 1987)
Chevrolet / Chevy Impala (1982 - 1992)
Chevrolet / Chevy Malibu (1982 - 1983)
Chevrolet / Chevy Monte Carlo (1982 - 1988)
Chevrolet / Chevy S10 Blazer / Pickup (1983 - 1992)
GMC S15 Jimmy / Pickup (1983 - 1992)
GMC Sonoma (1994 - 2000)
Grumman LLV (1987 - 1990)
Isuzu Rodeo (1990 - 1999)
Oldsmobile Bravada (1991 - 1992)
Oldsmobile Cutlass (1982 - 1988)
Pontiac Bonneville (1982 - 1986)
Pontiac Firebird (1982 - 1989)
Pontiac Grand Prix (1982 - 1987)
Pontiac Trans Am (1982 - 1989)
Package Includes:
7.5\" / 7.625\" (Eaton-Style) Posi Unit (28 Spline)
7.5\" Ring & Pinion (3.73 Ratio)
7.5\" Master Bearing/Installation Kit
- Shipping Policy
- Payment Method
- Returns Policy
Shipping Policy
-Please leave us your full name, your telephone number and detailed address when ordering.
-We ship to your or Paypal address. Please make sure your and Paypal address is correct before you pay the order.
-We try our best to pack the products as good and safe as possible ,so they always arrive in a good condition.
Payment Method
-We accept PayPal only.
-All major credit cards are accepted through secure payment processor PayPal.
-Payment must be received within 4 business days of sale closing.
Returns Policy
-We offer sophisticated products at a high technological level, with the highest possible quality and the most favorable price.
-With these parts you can replace your defective parts simply plug and play.
-Our warranty is valid for max. 24 months without mileage limitation.
-Please compare carefully with Photos or OE number before purchasing the part.
-Once a problem occurs with the purchased product, please do not hesitate to let us know with messages,we will offer you refund or replacement.
On Mar 16, 2026 at 02:24:10 PDT, seller added the following information: