MERCURY COUGAR USA Standard Gear Parts and Accessories

USA Standard Gear standard spider gear set for Ford 9", 31 spline, 4-pinion design

Part Number: SPZ-39018

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Differential Carrier Rebuild Kits and Spider Gears, Ford 8/9 in., Side Gears, Rear, Open, 28-spline, Ford, Lincoln, Mercury, Kit

Part Number: SPZ-39017

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Feb 19, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

USA Standard Ring & Pinion gear set for Ford 8" in a 3.00 ratio

Part Number: SPZ-36115

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

USA standard ring & pinion gear set for Ford 8" in a 3.80 ratio.

Part Number: SPZ-36118

Not Yet Reviewed

Estimated Ship Date: Feb 19, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Gear, Ring and Pinion, 3.90:1 Ratio, Ford 8.8 in., Set

Part Number: SPZ-36124

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 19, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Ring and Pinion Gears, 3.00:1 Ratio, 28-spline, Standard Rotation, Ford 9 in., Ford, Lincoln, Mercury, Rear, Set

Part Number: SPZ-36133

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Ring and Pinion Gears, 4.86:1 Ratio, 10-bolt, 28-spline, Standard Gear Rotation, Ford, 9 in., Set

Part Number: SPZ-36143

Not Yet Reviewed

Estimated Ship Date: Feb 19, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Ring and Pinion Gears, 4.11:1 Ratio, 28-spline, Standard Ring Gear Rotation, Ford 9 in., Set

Part Number: SPZ-36139

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Ring and Pinion Gears, 3.73:1 Ratio, 30-spline, Standard Ring Gear Rotation, Ford 8.8 in., Set

Part Number: SPZ-36123

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 20, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

USA Standard Master Overhaul kit for the Ford 8" differential w/ HD posi

Part Number: SPZ-37029

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Differential Carrier, Spartan Locker, Steel, 28/31-spline, Open Case, Rear, Ford 8/9 in., Each

Part Number: SPZ-17042

2.67 out of 5 stars ( 3 )

Estimated Ship Date: Feb 16, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

9" FORD SPARTAN LOCKER EXTRA_SHORT X/PIN SHAFT

Part Number: SPZ-17044

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

• Drop Ship
• Special Order

USA Standard mini spool for Ford 9" with 28 spline axles

Part Number: SPZ-59022

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

• Drop Ship
• Special Order

USA Standard Ring & Pinion gear set for Ford 7.5" in a 3.08 ratio

Part Number: SPZ-36113

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Ring and Pinion Gears, 4.56:1 Ratio, 28-spline, Standard Ring Gear Rotation, Ford 7.5 in., Set

Part Number: SPZ-36277

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 19, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

USA standard ring & pinion gear set for Ford 9" in a 6.020 ratio.

Part Number: SPZ-36151

Not Yet Reviewed

Estimated Ship Date: Feb 19, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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: Feb 20, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

USA Standard mini spool for Ford 9" with 31 spline axles

Part Number: SPZ-59023

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

• Drop Ship
• Special Order

9" Ford pinion kit, Koyo bearings.

Part Number: SPZ-60002

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Differential Carrier Replacement Parts, Spartan spring & pin kit, fits Ford 9" & Toyota V6

Part Number: SPZ-17045

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

• Drop Ship
• Special Order

Ring and Pinion Gears, 4.11:1 Ratio, 25-spline, Standard Ring Gear Rotation, Ford 8 in., Set

Part Number: SPZ-36119

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 18, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

USA Standard Master Overhaul kit for the Ford 9" LM603011 differential

Part Number: SPZ-37036

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Spool, Full, 31-spline, Steel, Ford 9 in., Each

Part Number: SPZ-59004

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 20, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

8.8" FORD '09&DWN PINION KIT, KOYO BRGS

Part Number: SPZ-60009

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

• Drop Ship
• Special Order

Crosspin, Replacement, Steel, Spartan, Ford 8.8 in., Each

Part Number: SPZ-17020

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

• Drop Ship
• Special Order