Availability
1976 MERCURY COUGAR Differential & Rear-End Components
Differential Carrier, Spartan Locker, Steel, 28/31-spline, Open Case, Rear, Ford 8/9 in., Each
Part Number: SPZ-17042
Estimated Ship Date: Mar 16, 2026 if ordered today
Estimated Ship Date: Mar 16, 2026 if ordered today
Yukon standard open spider gear kit for and 9" Ford with 28 spline axles and 4-pinion design
Part Number: YGA-16032
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Differential Carrier Rebuild Kits, Spider Gear Kit, Spider Gears, Side Gears, Thrust Washer, Cross Shaft Pin, Ford, 9 in., 31 Spline Axles, Kit
Part Number: YGA-16034
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
USA Standard Master Overhaul kit for the Ford 9" LM603011 differential
Part Number: SPZ-37036
Not Yet Reviewed
Estimated Ship Date: Mar 16, 2026 if ordered today
Estimated Ship Date: Mar 16, 2026 if ordered today
USA Standard Master Overhaul kit for the Ford 9" LM603011 differential w/ Daytona pinion support
Part Number: SPZ-37038
Not Yet Reviewed
Estimated Ship Date: Mar 16, 2026 if ordered today
Estimated Ship Date: Mar 16, 2026 if ordered today
USA Standard Master Overhaul kit for Ford Daytona 9" LM104911 differential and Daytona Pinion support
Part Number: SPZ-37040
Not Yet Reviewed
Estimated Ship Date: Mar 16, 2026 if ordered today
Estimated Ship Date: Mar 16, 2026 if ordered today
9" Ford pinion kit, Koyo bearings.
Part Number: SPZ-60002
Not Yet Reviewed
Estimated Ship Date: Mar 16, 2026 if ordered today
Estimated Ship Date: Mar 16, 2026 if ordered today
Ring and Pinion Gears and Installation Kit, 9.0" FORD 3.00 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 31spl T/L POSI (FITS 2.89" DO/ DAYTONA PS)
Part Number: YGA-12558
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
1.250" Pinion Adapter Sleeve (stock pinion into large support).
Part Number: YGA-32239
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
9" Ford pinion nut, 35 spline Large pinion oversize.
Part Number: YGA-33161
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Cross Shaft, Differential, Steel, Ford 9 in., Short Design without Block, Each
Part Number: YGA-33335
Not Yet Reviewed
Estimated Ship Date: Mar 31, 2026 if ordered today
Estimated Ship Date: Mar 31, 2026 if ordered today
Crosspin, Replacement, Steel, Spartan, Short, Rear, Ford 9 in., Each
Part Number: SPZ-17022
Not Yet Reviewed
Estimated Ship Date: Mar 16, 2026 if ordered today
Estimated Ship Date: Mar 16, 2026 if ordered today
Ring and Pinion Gears and Installation Kit, 9.0" FORD 3.89 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 31spl T/L POSI (FITS 3.062" DO/ DAYTONA PS)
Part Number: YGA-12598
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Ring and Pinion Gears and Installation Kit, 9.0" FORD 4.56 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 31spl T/L POSI (FITS 3.062" DO/ DAYTONA PS)
Part Number: YGA-12602
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
High performance Yukon Ring & Pinion gear set for Ford 9" in a 6.50 ratio
Part Number: YGA-24396
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
PINION SUPPORT, Yukon heavy-duty pinion support for Ford 9", for upside down applications
Part Number: YGA-32358
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Ford 8" & 9" Standard Open, AG, & Detroit Locker Ring Gear bolt
Part Number: YGA-33058
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Yukon Grizzly locker, Ford 9" with 35 splines, for use with load bolt dropout
Part Number: YGA-28012
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Fine thread pinion support bolt (aftermarket aluminum only) for 9" Ford.
Part Number: YGA-33243
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Adapter Washer for 28-Spline Pinion in Oversize Support, for 9" Ford.
Part Number: YGA-32240
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
USA Standard mini spool for Ford 9" with 28 spline axles
Part Number: SPZ-59022
Not Yet Reviewed
Estimated Ship Date: Mar 12, 2026 if ordered today
Estimated Ship Date: Mar 12, 2026 if ordered today
Differential, Grip Pro Traction System, 31-Spline, Ford, 9 in., Each
Part Number: PWT-GT109031
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
9" FORD SPARTAN LOCKER EXTRA_SHORT X/PIN SHAFT
Part Number: SPZ-17044
Not Yet Reviewed
Estimated Ship Date: Mar 13, 2026 if ordered today
Estimated Ship Date: Mar 13, 2026 if ordered today
Differential Carrier Replacement Parts, Spartan spring & pin kit, fits Ford 9" & Toyota V6
Part Number: SPZ-17045
Not Yet Reviewed
Estimated Ship Date: Mar 13, 2026 if ordered today
Estimated Ship Date: Mar 13, 2026 if ordered today
Differential Carrier, Grizzly Locker, Rear, Ford 9 in., 31-spline, Each
Part Number: YGA-28010
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster