Looking for aftermarket parts to modify or upgrade your 1976 Mercury Grand Marquis with differentials? At Tunersports.com we carry a huge selection of the top name brand performance differential parts and accessories for your Grand Marquis.
Whether you have a 1976 Mercury Grand Marquis in Base trim we have you covered. We have 27 differentials available to mod your Grand Marquis. All parts have free shipping to the Continental US 48 States.
 IN STOCK YDGF8.8-28-1The Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence and performance you need. Get longer life and better traction with the heavy duty Yukon Dura Grip Positraction.... Yukon Gear Dura Grip Positraction For Ford 8.8in w/ 28 Spline Axles 1975-1986 Mercury Grand Marquis Base $799.89 SALE VIEW PRICE IN CART |
 OUT OF STOCK YGLF8.8-28The Yukon Grizzly Locker is the ultimate in mechanical locking differentials for street, off-road, and drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns.... Yukon Gear Grizzly Locker / Ford 8.8in w/ 28 Splines 1975-1986 Mercury Grand Marquis Base $1,099.89 SALE VIEW PRICE IN CART |
 IN STOCK - DROPSHIPS YGLF9-28The Yukon Grizzly Locker is the ultimate in mechanical locking differentials for street, off-road, and drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns.... Yukon Gear Grizzly Locker For Ford 9in w/ 28 Spline Axles 1975-1980 Mercury Grand Marquis Base $921.89 SALE VIEW PRICE IN CART |
 IN STOCK - LOW YGLF9-31The Yukon Grizzly Locker is the ultimate in mechanical locking differentials for street, off-road, and drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns.... Yukon Gear Grizzly Locker For Ford 9in w/ 31 Spline Axles 1975-1980 Mercury Grand Marquis Base $899.89 SALE VIEW PRICE IN CART |
 IN STOCK - DROPSHIPS YGLF9-31-LBThe Yukon Grizzly Locker is the ultimate in mechanical locking differentials for street, off-road, and drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns.... Yukon Gear Grizzly Locker For Ford 9in w/ 31 Spline Axles / Fits Load Bolt Housing 1975-1980 Mercury Grand Marquis Base $964.89 SALE VIEW PRICE IN CART |
 IN STOCK - DROPSHIPS YGLF9-31-RACEThe Yukon Grizzly Locker is the ultimate in mechanical locking differentials for street, off-road, and drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns.... Yukon Gear Grizzly Locker For Ford 9in w/ 31 Spline Axles / Racing Design 1975-1980 Mercury Grand Marquis Base $1,180.89 SALE VIEW PRICE IN CART |
 IN STOCK - DROPSHIPS YGLF9-35The Yukon Grizzly Locker is the ultimate in mechanical locking differentials for street, off-road, and drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns.... Yukon Gear Grizzly Locker For Ford 9in w/ 35 Spline Axles 1975-1980 Mercury Grand Marquis Base $899.89 SALE VIEW PRICE IN CART |
 IN STOCK - DROPSHIPS YGLF9-35-LBThe Yukon Grizzly Locker is the ultimate in mechanical locking differentials for street, off-road, and drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns.... Yukon Gear Grizzly Locker / Ford 9in w/ 35 Splines / For Use w/ Load Bolt Dropout 1975-1980 Mercury Grand Marquis Base $969.89 SALE VIEW PRICE IN CART |
 IN STOCK - DROPSHIPS YGLF9-35-RACEThe Yukon Grizzly Locker is the ultimate in mechanical locking differentials for street, off-road, and drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns.... Yukon Gear Grizzly Locker For Ford 9in Diff w/ 35 Spline Axles / Racing Design 1975-1980 Mercury Grand Marquis Base $1,147.89 SALE VIEW PRICE IN CART |
 IN STOCK - DROPSHIPS YGLF9-35-RACE-LBThe Yukon Grizzly Locker is the ultimate in mechanical locking differentials for street, off-road, and drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns.... Yukon Gear Grizzly Locker For Ford 9in Diff w/ 35 Spline Axles / Racing Design / For Load Bolt D/O 1975-1980 Mercury Grand Marquis Base $1,153.89 SALE VIEW PRICE IN CART |
 IN STOCK - LOW YP MINSF8.8-28Yukon mini spools provide the traction of a full spool at an economical cost.... Yukon Gear Mini Spool For Ford 8.8in w/ 28 Spline Axles 1975-1986 Mercury Grand Marquis Base $230.89 SALE VIEW PRICE IN CART |
 IN STOCK - DROPSHIPS YP MINSF9-28Mini spools are a low-cost traction option for vehicles looking for full-time lockup.... Yukon Gear Mini Spool For Ford 9in w/ 28 Spline Axles 1975-1980 Mercury Grand Marquis Base $58.89 SALE VIEW PRICE IN CART |
 IN STOCK - DROPSHIPS YP MINSF9-31Mini spools are a low-cost traction option for vehicles looking for full-time lockup.... Yukon Gear Mini Spool For Ford 9in w/ 31 Spline Axles 1975-1980 Mercury Grand Marquis Base $57.89 SALE VIEW PRICE IN CART |
 IN STOCK - DROPSHIPS SL F9-28-31USA Standard Spartan Locker For Ford 9in / 28 or 31 Spline 1975-1980 Mercury Grand Marquis Base $524.89 SALE VIEW PRICE IN CART |
 IN STOCK - DROPSHIPS SL XP-F8.8USA Standard Spartan Locker 8.8in Ford Spartan Locker Cross Pin 1975-1986 Mercury Grand Marquis Base $51.51 SALE VIEW PRICE IN CART |
 IN STOCK - DROPSHIPS SL XP-F9-LUSA Standard Spartan Locker 9in Ford Spartan Locker Cross Pin / Long 1975-1980 Mercury Grand Marquis Base $51.51 SALE VIEW PRICE IN CART |
 IN STOCK - DROPSHIPS SL XP-F9-SUSA Standard Spartan Locker 9in Ford Spartan Locker Cross Pin / Short 1975-1980 Mercury Grand Marquis Base $38.09 SALE VIEW PRICE IN CART |
 IN STOCK - DROPSHIPS SL XP-F9-XSUSA Standard Spartan Locker 9in Ford Spartan Locker Cross Pin / Extra Short 1975-1980 Mercury Grand Marquis Base $32.74 SALE VIEW PRICE IN CART |
 IN STOCK - DROPSHIPS YP FSF9-31-LWYukon performance spools are made from the highest quality materials to ensure high strength and long life in performance applications.... Yukon Gear Lightweight Steel Spool For Ford 9in w/ 31 Spline Axles 1975-1980 Mercury Grand Marquis Base $299.89 SALE VIEW PRICE IN CART |
 IN STOCK YDGF9-28-AGThe Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence and performance you need. Get longer life and better traction with the heavy duty Yukon Dura Grip Positraction.... Yukon Gear Trac Loc For Ford 9in Wtih 28 Spline Axles. Aggressive Design 1975-1980 Mercury Grand Marquis Base $799.89 SALE VIEW PRICE IN CART |
 IN STOCK - DROPSHIPS YDGF9-28-SMThe Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence and performance you need. Get longer life and better traction with the heavy duty Yukon Dura Grip Positraction.... Yukon Gear Tracloc For Ford 9in Wtih 28 Spline Axles. Street Design 1975-1980 Mercury Grand Marquis Base $799.89 SALE VIEW PRICE IN CART |
 IN STOCK YDGF9-31-AGThe Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence and performance you need. Get longer life and better traction with the heavy duty Yukon Dura Grip Positraction.... Yukon Gear Trac Loc For Ford 9in Wtih 31 Spline Axles. Aggressive Design 1975-1980 Mercury Grand Marquis Base $795.89 SALE VIEW PRICE IN CART |
 IN STOCK - DROPSHIPS YDGF9-31-SMThe Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence and performance you need. Get longer life and better traction with the heavy duty Yukon Dura Grip Positraction.... Yukon Gear Trac Loc For Ford 9in Wtih 31 Spline Axles. Street Design 1975-1980 Mercury Grand Marquis Base $799.89 SALE VIEW PRICE IN CART |
 IN STOCK - DROPSHIPS ZP MINSF9-28USA Standard Mini Spool For Ford 9in w/ 28 Spline Axles 1975-1980 Mercury Grand Marquis Base $60.91 SALE VIEW PRICE IN CART |
 IN STOCK - DROPSHIPS ZP MINSF9-31USA Standard Mini Spool For Ford 9in w/ 31 Spline Axles 1975-1980 Mercury Grand Marquis Base $59.57 SALE VIEW PRICE IN CART |