Motive Gear T8.4 Rear 3.90 Ring and Pinion Gear Set for Toyota Differential

Item No. TAC390 — Motive Gear 3.90 Ring & Pinion Gear Set for Toyota 8.4 Rear Differential.The Motive Gear TAC390 Ring & Pinion Gear Set is a premium 3.90 ratio gear set engineered for Toyota 8.4-inch rear differentials. Precision-machined for accurate gear mesh and long-lasting durability, this OEM-style replacement delivers dependable performance for daily driving, towing, and off-road applications.Part Type: Differential Ring and PinionGear Ratio: 3.90Differential Model: Toyota 8.4Mounting Location: RearPrecision-Machined Gear SetOEM-Style Direct ReplacementHeavy-Duty ConstructionWarranty: 1 Year or 50,000 MilesReplaces For OEM & Aftermarket Part NumbersReplaces For Revolution Gear & Axle: T8.4-390Replaces For Yukon Gear & Axle: YG T100-390Applications2001–2007 Toyota Sequoia1993–1998 Toyota T1001995–2015 Toyota Tacoma2000–2006 Toyota TundraFitment Note: Designed for vehicles equipped with a Toyota 8.4-inch rear differential. Verify your axle model, gear ratio, and differential specifications before purchasing.

• Premium Ring & Pinion Gear Set – Precision-engineered 3.90 ratio ring and pinion set for Toyota 8.4-inch rear differentials, delivering dependable performance and quiet operation.
• Gear Specifications – Fits Toyota 8.4 rear differential; 3.90 gear ratio; precision-machined for proper gear mesh, durability, and long service life.
• High-Strength Construction – Manufactured from premium-quality materials to withstand demanding on-road, towing, and off-road driving conditions.
• Direct Replacement – Replaces Revolution Gear & Axle T8.4-390 and Yukon Gear & Axle YG T100-390.
• Vehicle Fitment – Fits 2001–2007 Toyota Sequoia, 1993–1998 Toyota T100, 1995–2015 Toyota Tacoma, and 2000–2006 Toyota Tundra equipped with a Toyota 8.4-inch rear differential.