1973 Mercury Cougar Differential Ring and Pinions

Your 1973 Mercury Cougar 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 107 Differential Ring and Pinions to choose from for your 1973 Mercury Cougar, and our inventory prices range from as little as $175.99 up to $670.99.

On top of low prices, Advance Auto Parts offers 5 different trusted brands of Differential Ring and Pinions for the 1973 Mercury Cougar. We only sell parts from trusted brands like USA Standard 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 1973 Mercury Cougar

Motive Gear – Differential Ring and Pinion (Part No.F9-370)

Differential Ring and Pinion

from

$222.99


Product Features:
  • FRD 10BL 9.0 R/P 3.70 MG
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USA Standard Gear – Ring & Pinion Gear Set For Ford 9" In A 3.25 Ratio (Part No.36134)

Ring & Pinion Gear Set For Ford 9" In A 3.25 Ratio

from

$359.99
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 Ford 9″
  • 9.00″ ring gear diameter
  • 28 spline pinion
  • 10 ring gear bolts
  • 3.25 ratio
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USA Standard Gear – Ring & Pinion Gear Set For Ford 9" In A 4.56 Ratio (Part No.36141)

Ring & Pinion Gear Set For Ford 9" In A 4.56 Ratio

from

$322.99
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 Ford 9″
  • 9.00″ ring gear diameter
  • 28 spline pinion
  • 10 ring gear bolts
  • 4.56 ratio
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Motive Gear – Differential Ring and Pinion (Part No.F9-456)

Differential Ring and Pinion

from

$203.99


Product Features:
  • FRD 10BL 9.0 R/P 4.56 MG
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Dorman – Differential Ring and Pinion Set (Part No.697-312)

Differential Ring and Pinion Set

from

$214.99
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
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Richmond Gear – RngPnn (Part No.79-0043-1)

RngPnn

from

$670.99
RngPnn

Richmond Gear – RngPnn (Part No.79-0079-1)

RngPnn

from

$635.99
RngPnn

Richmond Gear – RngPnn (Part No.79-0080-1)

RngPnn

from

$635.99
RngPnn

Richmond Gear – RngPnn (Part No.79-0045-1)

RngPnn

from

$623.99
RngPnn

Richmond Gear – RngPnn (Part No.79-0060-1)

RngPnn

from

$613.99
RngPnn

Richmond Gear – RngPnn (Part No.79-0007-1)

RngPnn

from

$588.99
RngPnn

Richmond Gear – RngPnn (Part No.79-0005-1)

RngPnn

from

$588.99
RngPnn

Richmond Gear – RngPnn (Part No.79-0019-1)

RngPnn

from

$587.99
RngPnn

Richmond Gear – RngPnn (Part No.79-0003-1)

RngPnn

from

$577.99
RngPnn

Richmond Gear – RngPnn (Part No.69-0367-1)

RngPnn

from

$577.99
RngPnn

Richmond Gear – RngPnn (Part No.69-0368-1)

RngPnn

from

$577.99
RngPnn

Richmond Gear – RngPnn (Part No.69-0379-1)

RngPnn

from

$577.99
RngPnn

Richmond Gear – RngPnn (Part No.79-0066-1)

RngPnn

from

$558.99
RngPnn

Motive Gear – PRO Gear Lightweight Differential Ring And Pinion – Big Pinion (Part No.F990370BP)

PRO Gear Lightweight Differential Ring And Pinion - Big Pinion

from

$550.99
Motive Gear offers some of the toughest drive train components on the market today. If you are looking for the largest line of performance ring and pinion gear options available with gear sets in a wide range of ratios for nearly every application, both o
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Motive Gear – PRO Gear Lightweight Differential Ring And Pinion – Small Pinion (Part No.F990429SP)

PRO Gear Lightweight Differential Ring And Pinion - Small Pinion

from

$549.99


Product Features:
  • R&P FORD 9″ 4.29, 9310 SMALL PIN 28 SPL. 9310 PRO
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Yukon Gear – High Performance Ring & Pinion Gear Set For Ford 9" In A 6.20 Ratio (Part No.24394)

High Performance Ring & Pinion Gear Set For Ford 9" In A 6.20 Ratio

from

$549.99
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 Ford 9″
  • 9.00″ ring gear diameter
  • 28 spline pinion
  • 10 ring gear bolts
  • 6.20 ratio
See More

Motive Gear – PRO Gear Lightweight Differential Ring And Pinion – Small Pinion (Part No.F990457SP)

PRO Gear Lightweight Differential Ring And Pinion - Small Pinion

from

$549.99


Product Features:
  • R&P FORD 9″ 4.57, 9310 SMALL PIN 28 SPL. 9310 PRO
See More

Richmond Gear – RngPnn (Part No.79-0054-1)

RngPnn

from

$538.99
RngPnn

Richmond Gear – RngPnn (Part No.79-0017-1)

RngPnn

from

$538.99
RngPnn

Richmond Gear – RngPnn (Part No.79-0078-1)

RngPnn

from

$538.99
RngPnn

Yukon Gear – High Performance Ring & Pinion Gear Set For Ford 9" In A 3.00 Ratio (Part No.24363)

High Performance Ring & Pinion Gear Set For Ford 9" In A 3.00 Ratio

from

$509.99
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 Ford 9″
  • 9.00″ ring gear diameter
  • 28 spline pinion
  • 10 ring gear bolts
  • 3.00 ratio
See More

Motive Gear – PRO Gear Lightweight Differential Ring And Pinion – Big Pinion (Part No.F990429BP)

PRO Gear Lightweight Differential Ring And Pinion - Big Pinion

from

$489.99


Product Features:
  • R&P FORD 9″ 4.29, 9310 BIG PINION 35 SPL. 9310 PRO
See More

Yukon Gear – High Performance Ring & Pinion Gear Set For Ford 9" In A 6.00 Ratio (Part No.24392)

High Performance Ring & Pinion Gear Set For Ford 9" In A 6.00 Ratio

from

$489.99
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 Ford 9″
  • 9.00″ ring gear diameter
  • 28 spline
  • 10 ring gear bolts
  • 6.00 ratio
See More

FAQs for 1973 Mercury Cougar Differential Ring and Pinions

What are the most popular Differential Ring and Pinions for the 1973 Mercury Cougar?

With 5 brands you can trust, our most popular Differential Ring and Pinions for the 1973 Mercury Cougar parts are:
Ring & Pinion Gear Set For Ford 9" In A 4.56 Ratio
from $322.99
This product is not rated
Ring & Pinion Gear Set For Ford 9" In A 4.56 Ratio
Differential Ring and Pinions
Differential Ring and Pinion
from $203.99
This product is not rated
Differential Ring and Pinion
Differential Ring and Pinions
Differential Ring and Pinion
from $222.99
This product is not rated
Differential Ring and Pinion
Differential Ring and Pinions