Motive Gear F9-389A Differential Ring & Pinion Set, 3.89 Ratio, Ford 9", 28-Spline, 10-Bolt, Fits Bronco, Mustang, F-150, Fairlane, Torino (1955-1986) - Replaces Richmond 69-0177-1, F890389
Product details
| Management number | 215292513 | Release Date | 2026/04/12 | List Price | $51.82 | Model Number | 215292513 | ||
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Motive Gear 3.89 Ratio Ford 9" Ring & Pinion Set – Designed for high-performance street and off-road applications, this gear set enhances torque, acceleration, and towing for Ford 9" axles.⚙ Features & Benefits:Optimized 3.89 Gear Ratio: Balances power and fuel efficiency for street, towing & performance use.28-Spline Pinion & 10-Bolt Ring Gear: Ensures precision fitment, durability, & smooth power transfer.8620 Steel Construction: Heat-treated for strength, wear resistance, and extended lifespan.Standard Rotation Design: Compatible with Ford 9" rear axles.Direct Replacement: Fits Ford 9" axles with a 3.50 & higher carrier break.🚗 Applications & Compatibility:🔹 Ford Models:Bronco (1966-1986)E-100 Econoline (1969-1983)E-100 Econoline Club Wagon (1975-1983)E-150 Econoline (1975-1986)E-150 Econoline Club Wagon (1975-1986)F-100 (1975-1983)F-150 (1975-1986)Fairlane (1957-1970)Galaxie (1959-1967)Galaxie 500 (1962-1974)Gran Torino (1972-1976)Granada (1975-1980)LTD (1965-1979)LTD II (1977-1979)Maverick (1970-1977)Mustang (1965-1973)Ranchero (1957-1979)Thunderbird (1955-1979)Torino (1968-1976)🔹 Lincoln Models:Continental (1958-1979)Mark III (1968-1971)Versailles (1977-1980)🔹 Mercury Models:Comet (1964-1969, 1971-1977)Cougar (1967-1979)Grand Marquis (1975-1978)Marauder (1963-1970)Marquis (1967-1978)Montego (1968-1976)🔄 Replaces OEM Part Numbers:Richmond Gear: 69-0177-1Motive Gear: F890389, F9-389EXCEL from Richmond: F9389🛡 Warranty & Why Choose Motive Gear?🛡 Warranty: 1 Year / 50,000 Miles – Backed by industry-leading reliability.⚙ Precision Machined: Ensures smooth & quiet operation for high-performance applications.🔧 Ideal for Street, Off-Road & Towing: Built for durability in demanding driving conditions.
- ✅ High-Performance 3.89 Ratio: Optimized for acceleration, towing, & fuel efficiency on Ford 9" axles.
- ✅ 28-Spline Pinion & 10-Bolt Design: Engineered for strength, smooth operation, & precise gear engagement.
- ✅ 8620 Steel Construction: Heat-treated for exceptional durability & long-lasting performance.
- ✅ Wide Compatibility: Fits Ford Bronco, Mustang, F-150, Torino, Fairlane & more (1955-1986).
- ✅ Reliable Warranty: 1-year / 50,000-mile coverage ensures performance & peace of mind.
| Brand | Motive Gear |
|---|---|
| Model | Motive Gear F9-389A Differential Ring and Pinion |
| Exterior | Machined |
| Item Weight | 0.01 ounces |
| Manufacturer | Motive Gear |
| OEM Part Number | F9-389A |
| Item model number | F9-389A |
| Product Dimensions | 15.5 x 11 x 5.5 inches |
| Manufacturer Part Number | F9-389A |
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Differential Rings & Pinions
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