1985 Pontiac Grand Prix Differential Ring and Pinions

Your 1985 Pontiac Grand Prix might be the best vehicle you’ve ever owned. Or you may just be struggling to keep it highway-approved. No matter the situation, Advance Auto Parts has the Differential Ring and Pinions you desperately need.

We currently carry 65 Differential Ring and Pinions to choose from for your 1985 Pontiac Grand Prix, and our inventory prices range from as little as $175.99 up to $1,014.99.

On top of low prices, Advance Auto Parts offers 5 different trusted brands of Differential Ring and Pinions for the 1985 Pontiac Grand Prix. We only sell parts from trusted brands like Motive Gear so that you can find quality parts you can count on.

Have parts delivered straight to your home, or find the nearest Advance Auto Parts store to check out our Differential Ring and Pinions stock in-person!

Differential Ring and Pinions for Your 1985 Pontiac Grand Prix

Motive Gear – Differential Ring and Pinion (Part No.GM7.5-373)

Differential Ring and Pinion

from

$224.99


Product Features:
  • GM 10BL 7.5&7.625 R/P 3.73 MG 10 3/8 X 18 LH THRED BLTS, PD=1.438
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Dorman – Differential Ring and Pinion Set (Part No.697-301)

Differential Ring and Pinion Set

from

$316.99
This differential ring and pinion directly replaces the original equipment on specific vehicle years, makes and models.

Product Features:
  • Direct replacement – this ring and pinion set matches the fit and function of the original components on certain vehicle applications
  • Effective fix – eliminates grinding and whining from failed original bearings
  • Thoroughly tested – vehicle try-on testing and rigorous quality control measures ensure longevity
  • Trustworthy quality – backed by team of designers and engineers in the United States
See More

Dorman – Differential Ring and Pinion Set (Part No.697-303)

Differential Ring and Pinion Set

from

$307.99
This differential ring and pinion directly replaces the original equipment on specific vehicle years, makes and models.

Product Features:
  • Direct replacement – this ring and pinion set matches the fit and function of the original components on certain vehicle applications
  • Effective fix – eliminates grinding and whining from failed original bearings
  • Thoroughly tested – vehicle try-on testing and rigorous quality control measures ensure longevity
  • Trustworthy quality – backed by team of designers and engineers in the United States
See More

Dorman – Differential Ring and Pinion Set (Part No.697-300)

Differential Ring and Pinion Set

from

$301.99
This differential ring and pinion directly replaces the original equipment on specific vehicle years, makes and models.

Product Features:
  • Direct replacement – this ring and pinion set matches the fit and function of the original components on certain vehicle applications
  • Effective fix – eliminates grinding and whining from failed original bearings
  • Thoroughly tested – vehicle try-on testing and rigorous quality control measures ensure longevity
  • Trustworthy quality – backed by team of designers and engineers in the United States
See More

Motive Gear – Performance Differential Ring and Pinion (Part No.G875390)

Performance Differential Ring and Pinion

from

$256.99


Product Features:
  • GM 10BL 7.5 & 7.6 R/P 3.90 MGP 10 3/8 X 18LH, PD = 1.438
See More

Motive Gear – Differential Ring and Pinion (Part No.GM7.5-342)

Differential Ring and Pinion

from

$224.99


Product Features:
  • GM 10BL 7.5&7.625 R/P 3.42 MG 10 3/8 X 18 LH THRED BLTS, PD=1.438
See More

Motive Gear – Differential Ring and Pinion (Part No.GM7.5-373A)

Differential Ring and Pinion

from

$179.99


Product Features:
  • GM10 BL 7.5″ 3.73
See More

Motive Gear – Differential Ring and Pinion (Part No.GM7.5-456)

Differential Ring and Pinion

from

$216.99


Product Features:
  • GM 10BL 7.5&7.625 R/P 4.56 MG
See More

USA Standard Gear – Ring & Pinion "Thick" Gear Set For GM 7.5" In A 3.42 Ratio (Part No.36196)

Ring & Pinion "Thick" Gear Set For GM 7.5" In A 3.42 Ratio

from

$319.99
USA Standard ring & pinion sets are the right choice to add confidence to your install. USA Standard Gear offers a full line of ring & pinion sets for a variety of common & hard to find applications. USA standard gear offers a standard one year warranty against defects on their ring & pinion sets.

Product Features:
  • Fits GM 7.5″ and 7.6″
  • 7.50″ ring gear diameter
  • 27 spline pinion
  • 10 ring gear bolts
  • 3.42 ratio
  • Thick gear for 3.23 and down carrier
See More

Yukon Gear – High Performance Ring & Pinion Gear Set For GM 7.5" In A 3.73 Ratio (Part No.24146)

High Performance Ring & Pinion Gear Set For GM 7.5" In A 3.73 Ratio

from

$1014.99
Yukon Ring & Pinion sets give you the confidence of knowing you’re running gears designed for the harshest of conditions. Whether it’s on the street, off-road, or at the track; Yukon ring & pinion sets deliver unrivaled performance & quality. Yukon uses the latest designs and manufacturing technologies to provide a quiet running gear that is strong and easy to set up. All Yukon ring & pinion sets come standard with a one-year warranty.

Product Features:
  • Fits GM 7.5″ and 7.6″
  • 7.50″ ring gear diameter
  • 27 spline pinion
  • 10 ring gear bolts
  • 3.73 ratio
See More

Motive Gear – Differential Ring and Pinion (Part No.GM7.5-410)

Differential Ring and Pinion

from

$216.99


Product Features:
  • GM 10BL 7.5&7.625 R/P 4.10 MG 10 3/8 X 18 LH THRED BLTS, PD=1.438
See More

Yukon Gear – High Performance Ring & Pinion Gear Set For GM 7.5" In A 4.30 Ratio (Part No.24482)

High Performance Ring & Pinion Gear Set For GM 7.5" In A 4.30 Ratio

from

$624.99
Yukon Ring & Pinion sets give you the confidence of knowing you’re running gears designed for the harshest of conditions. Whether it’s on the street, off-road, or at the track; Yukon ring & pinion sets deliver unrivaled performance & quality. Yukon uses the latest designs and manufacturing technologies to provide a quiet running gear that is strong and easy to set up. All Yukon ring & pinion sets come standard with a one-year warranty.

Product Features:
  • Fits GM 7.5″ and 7.6″
  • 7.50″ ring gear diameter
  • 27 spline pinion
  • 10 ring gear bolts
  • 4.30 ratio
See More

Yukon Gear – High Performance Ring & Pinion Gear Set For GM 8.5" & 8.6" In A 3.08 Ratio (Part No.24492)

High Performance Ring & Pinion Gear Set For GM 8.5" & 8.6" In A 3.08 Ratio

from

$579.99
Yukon Ring & Pinion sets give you the confidence of knowing you’re running gears designed for the harshest of conditions. Whether it’s on the street, off-road, or at the track; Yukon ring & pinion sets deliver unrivaled performance & quality. Yukon uses the latest designs and manufacturing technologies to provide a quiet running gear that is strong and easy to set up. All Yukon ring & pinion sets come standard with a one-year warranty. This gear set does not have an ABS provision on the pinion.

Product Features:
  • Fits GM 8.5″ and 8.6″
  • 8.50″ ring gear diameter
  • 30 spline pinion
  • 10 ring gear bolts
  • 3.08 ratio
See More

Yukon Gear – Ring and Pinion Kit (Part No.24671)

Ring and Pinion Kit

from

$539.99
Ring and Pinion Kit

Yukon Gear – High Performance Ring & Pinion Gear Set For GM 8.5" & 8.6" In A 2.73 Ratio (Part No.24490)

High Performance Ring & Pinion Gear Set For GM 8.5" & 8.6" In A 2.73 Ratio

from

$514.99
Yukon Ring & Pinion sets give you the confidence of knowing you’re running gears designed for the harshest of conditions. Whether it’s on the street, off-road, or at the track; Yukon ring & pinion sets deliver unrivaled performance & quality. Yukon uses the latest designs and manufacturing technologies to provide a quiet running gear that is strong and easy to set up. All Yukon ring & pinion sets come standard with a one-year warranty. This gear set does not have an ABS provision on the pinion.

Product Features:
  • Fits GM 8.5″ and 8.6″
  • 8.50″ ring gear diameter
  • 30 spline pinion
  • 10 ring gear bolts
  • 2.73 ratio
See More

Yukon Gear – High Performance Ring & Pinion Gear Set For GM 8.5" & 8.6" In A 4.11 Ratio (Part No.24160)

High Performance Ring & Pinion Gear Set For GM 8.5" & 8.6" In A 4.11 Ratio

from

$499.99
Yukon Ring & Pinion sets give you the confidence of knowing you’re running gears designed for the harshest of conditions. Whether it’s on the street, off-road, or at the track; Yukon ring & pinion sets deliver unrivaled performance & quality. Yukon uses the latest designs and manufacturing technologies to provide a quiet running gear that is strong and easy to set up. All Yukon ring & pinion sets come standard with a one-year warranty. This gear set does not have an ABS provision on the pinion.

Product Features:
  • Fits GM 8.5″ and 8.6″
  • 8.50″ ring gear diameter
  • 30 spline pinion
  • 10 ring gear bolts
  • 4.11 ratio
See More

USA Standard Gear – Ring & Pinion Gear Set For GM 8.5" In A 4.30 Ratio (Part No.36217)

Ring & Pinion Gear Set For GM 8.5" In A 4.30 Ratio

from

$474.99
USA Standard ring & pinion sets are the right choice to add confidence to your install. USA Standard Gear offers a full line of ring & pinion sets for a variety of common & hard to find applications. USA standard gear offers a standard one year warranty against defects on their ring & pinion sets.

Product Features:
  • Fits GM 8.5″ and 8.6″
  • 8.50″ ring gear diameter
  • 30 spline pinion
  • 10 ring gear bolts
  • 4.30 ratio
See More

Yukon Gear – High Performance Ring & Pinion Gear Set For GM 7.5" In A 2.73 Ratio (Part No.24475)

High Performance Ring & Pinion Gear Set For GM 7.5" In A 2.73 Ratio

from

$464.99
Yukon Ring & Pinion sets give you the confidence of knowing you’re running gears designed for the harshest of conditions. Whether it’s on the street, off-road, or at the track; Yukon ring & pinion sets deliver unrivaled performance & quality. Yukon uses the latest designs and manufacturing technologies to provide a quiet running gear that is strong and easy to set up. All Yukon ring & pinion sets come standard with a one-year warranty.

Product Features:
  • Fits GM 7.5″ and 7.6″
  • 7.50″ ring gear diameter
  • 27 spline pinion
  • 10 ring gear bolts
  • 2.73 ratio
See More

Yukon Gear – High Performance Ring & Pinion Gear Set For GM 7.5" In A 4.11 Ratio (Part No.24147)

High Performance Ring & Pinion Gear Set For GM 7.5" In A 4.11 Ratio

from

$449.99
Yukon Ring & Pinion sets give you the confidence of knowing you’re running gears designed for the harshest of conditions. Whether it’s on the street, off-road, or at the track; Yukon ring & pinion sets deliver unrivaled performance & quality. Yukon uses the latest designs and manufacturing technologies to provide a quiet running gear that is strong and easy to set up. All Yukon ring & pinion sets come standard with a one-year warranty.

Product Features:
  • Fits GM 7.5″ and 7.6″
  • 7.50″ ring gear diameter
  • 27 spline pinion
  • 10 ring gear bolts
  • 4.11 ratio
See More

Yukon Gear – High Performance Ring & Pinion "Thick" Gear Set For GM 7.5" In A 3.73 Ratio (Part No.24480)

High Performance Ring & Pinion "Thick" Gear Set For GM 7.5" In A 3.73 Ratio

from

$449.99
Yukon Ring & Pinion sets give you the confidence of knowing you’re running gears designed for the harshest of conditions. Whether it’s on the street, off-road, or at the track; Yukon ring & pinion sets deliver unrivaled performance & quality. Yukon uses the latest designs and manufacturing technologies to provide a quiet running gear that is strong and easy to set up. All Yukon ring & pinion sets come standard with a one-year warranty. This is a thck gear fr a 3.08 & down carrier.

Product Features:
  • Fits GM 7.5″ and 7.6″
  • 7.50″ ring gear diameter
  • 27 spline pinion
  • 10 ring gear bolts
  • 3.73 ratio
  • Thick gear for 3.08 and down carrier
See More

Yukon Gear – High Performance Ring & Pinion Gear Set For GM 8.5" & 8.6" In A 3.42 Ratio (Part No.24157)

High Performance Ring & Pinion Gear Set For GM 8.5" & 8.6" In A 3.42 Ratio

from

$449.99
Yukon Ring & Pinion sets give you the confidence of knowing you’re running gears designed for the harshest of conditions. Whether it’s on the street, off-road, or at the track; Yukon ring & pinion sets deliver unrivaled performance & quality. Yukon uses the latest designs and manufacturing technologies to provide a quiet running gear that is strong and easy to set up. All Yukon ring & pinion sets come standard with a one-year warranty. This gear set does not have an ABS provision on the pinion.

Product Features:
  • Fits GM 8.5″ and 8.6″
  • 8.50″ ring gear diameter
  • 30 spline pinion
  • 10 ring gear bolts
  • 3.42 ratio
See More

USA Standard Gear – Ring/Pinion Sets (Part No.36346)

Ring/Pinion Sets

from

$439.99
Ring/Pinion Sets

Yukon Gear – High Performance Ring & Pinion Gear Set For GM 7.5" In A 4.56 Ratio (Part No.24483)

High Performance Ring & Pinion Gear Set For GM 7.5" In A 4.56 Ratio

from

$439.99
Yukon Ring & Pinion sets give you the confidence of knowing you’re running gears designed for the harshest of conditions. Whether it’s on the street, off-road, or at the track; Yukon ring & pinion sets deliver unrivaled performance & quality. Yukon uses the latest designs and manufacturing technologies to provide a quiet running gear that is strong and easy to set up. All Yukon ring & pinion sets come standard with a one-year warranty.

Product Features:
  • Fits GM 7.5″ and 7.6″
  • 7.50″ ring gear diameter
  • 27 spline pinion
  • 10 ring gear bolts
  • 4.56 ratio
See More

Yukon Gear – High Performance Ring & Pinion "Thick" Gear Set For GM 7.5" In A 4.11 Ratio (Part No.24481)

High Performance Ring & Pinion "Thick" Gear Set For GM 7.5" In A 4.11 Ratio

from

$439.99
Yukon Ring & Pinion sets give you the confidence of knowing you’re running gears designed for the harshest of conditions. Whether it’s on the street, off-road, or at the track; Yukon ring & pinion sets deliver unrivaled performance & quality. Yukon uses the latest designs and manufacturing technologies to provide a quiet running gear that is strong and easy to set up. All Yukon ring & pinion sets come standard with a one-year warranty. This is a thck gear fr a 3.08 & down carrier.

Product Features:
  • Fits GM 7.5″ and 7.6″
  • 7.50″ ring gear diameter
  • 27 spline pinion
  • 10 ring gear bolts
  • 4.11 ratio
  • Thick gear for 3.08 and down carrier
See More

Yukon Gear – High Performance Ring & Pinion Gear Set For GM 7.5" In A 3.08 Ratio (Part No.24476)

High Performance Ring & Pinion Gear Set For GM 7.5" In A 3.08 Ratio

from

$431.99
Yukon Ring & Pinion sets give you the confidence of knowing you’re running gears designed for the harshest of conditions. Whether it’s on the street, off-road, or at the track; Yukon ring & pinion sets deliver unrivaled performance & quality. Yukon uses the latest designs and manufacturing technologies to provide a quiet running gear that is strong and easy to set up. All Yukon ring & pinion sets come standard with a one-year warranty.

Product Features:
  • Fits GM 7.5″ and 7.6″
  • 7.50″ ring gear diameter
  • 27 spline pinion
  • 10 ring gear bolts
  • 3.08 ratio
See More

Yukon Gear – High Performance Ring & Pinion Gear Set For GM 7.5" In A 3.42 Ratio (Part No.24145)

High Performance Ring & Pinion Gear Set For GM 7.5" In A 3.42 Ratio

from

$429.99
Yukon Ring & Pinion sets give you the confidence of knowing you’re running gears designed for the harshest of conditions. Whether it’s on the street, off-road, or at the track; Yukon ring & pinion sets deliver unrivaled performance & quality. Yukon uses the latest designs and manufacturing technologies to provide a quiet running gear that is strong and easy to set up. All Yukon ring & pinion sets come standard with a one-year warranty.

Product Features:
  • Fits GM 7.5″ and 7.6″
  • 7.50″ ring gear diameter
  • 27 spline pinion
  • 10 ring gear bolts
  • 3.42 ratio
See More

Yukon Gear – High Performance Ring & Pinion "Thick" Gear Set For GM 7.5" In A 3.42 Ratio (Part No.24479)

High Performance Ring & Pinion "Thick" Gear Set For GM 7.5" In A 3.42 Ratio

from

$424.99
Yukon Ring & Pinion sets give you the confidence of knowing you’re running gears designed for the harshest of conditions. Whether it’s on the street, off-road, or at the track; Yukon ring & pinion sets deliver unrivaled performance & quality. Yukon uses the latest designs and manufacturing technologies to provide a quiet running gear that is strong and easy to set up. All Yukon ring & pinion sets come standard with a one-year warranty. This is a thck gear for a 3.08 & down carrier.

Product Features:
  • Fits GM 7.5″ and 7.6″
  • 7.50″ ring gear diameter
  • 27 spline pinion
  • 10 ring gear bolts
  • 3.42 ratio
  • Thick gear for 3.08 and down carrier
See More

USA Standard Gear – Ring & Pinion Gear Set For GM 8.5" In A 3.23 Ratio (Part No.36212)

Ring & Pinion Gear Set For GM 8.5" In A 3.23 Ratio

from

$399.99
USA Standard ring & pinion sets are the right choice to add confidence to your install. USA Standard Gear offers a full line of ring & pinion sets for a variety of common & hard to find applications. USA standard gear offers a standard one year warranty against defects on their ring & pinion sets.

Product Features:
  • Fits GM 8.5″ and 8.6″
  • 8.50″ ring gear diameter
  • 30 spline pinion
  • 10 ring gear bolts
  • 3.23 ratio
See More

FAQs for 1985 Pontiac Grand Prix Differential Ring and Pinions

What are the most popular Differential Ring and Pinions for the 1985 Pontiac Grand Prix?

With 5 brands you can trust, our most popular Differential Ring and Pinions for the 1985 Pontiac Grand Prix parts are:
Differential Ring and Pinion
from $224.99
This product is not rated
Differential Ring and Pinion
Differential Ring and Pinions
Differential Ring and Pinion Set
from $316.99
This product is not rated
Differential Ring and Pinion Set
Differential Ring and Pinions
Differential Ring and Pinion Set
from $307.99
This product is not rated
Differential Ring and Pinion Set
Differential Ring and Pinions