Sonnax Transmission Company Parts and Accessories

Automatic Transmission Rebuild Components, Planetary Gear Stabilizer, GM, Powerglide, Kit

Part Number: SOX-28510-S2

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping
• $10 Summit Bucks

Vacuum Test Plate, Transmission, Automatic, GM, 4L80-E, 4L85-E, Kit

Part Number: SOX-34994-VTP

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Estimated Ship Date: Today

• Free Shipping
• $10 Summit Bucks

GOVERNOR

Part Number: SOX-731

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping
• $10 Summit Bucks

Shift Kit, Zip Kit, ZF6HP-21, ZF6HP-28, ZF6HP-34, Kit

Part Number: SOX-ZF6-GEN2-ZIP

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Estimated Ship Date: Today

• Free Shipping
• $10 Summit Bucks

Servo, Super-Hold, 2nd Gear, Billet Aluminum, GM, 200-4R, TH200, TH200C, Kit

Part Number: SOX-K65703

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping
• $10 Summit Bucks

Driveshaft Tubing, Aluminum, 0.125 in. Wall Thickness, 3.50 in. Diameter, 54 in. Length, Each

Part Number: SOX-TK350-125-54

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Estimated Ship Date: Today

• Oversize $7.99
• $10 Summit Bucks

Shift Kit, Zip Kit, 6R80, 6R100, Kit

Part Number: SOX-6R80L6R100ZI

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping
• $10 Summit Bucks

Reamer Kit, Carbide Reamer, Drill Jig, Kit

Part Number: SOX-77917-TLC

Not Yet Reviewed

Estimated Ship Date: Jan 2, 2026 if ordered today

• Drop Ship
• Free Shipping
• $10 Summit Bucks
• Special Order

Yoke, TH400 Transmission, Forged Steel, 32-Spline, Spicer 1310 Joint Style, 5.50 in. Length, Each

Part Number: SOX-T2-3-10431HP

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Estimated Ship Date: Today

• Free Shipping
• $10 Summit Bucks

Shift Kit, Zip Kit, ZF6HP-19. ZF6HP-26, ZF6HP-32, Kit

Part Number: SOX-ZF6-053-ZIP

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Estimated Ship Date: Today

• Free Shipping
• $10 Summit Bucks

FRIC KIT, REV, INCREASED RADIUS POWERGLIDE 1.58 SERVICE PART

Part Number: SOX-28131-FRK

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Estimated Ship Date: Today

• Free Shipping
• $10 Summit Bucks

Automatic Transmission Rebuild Kits, Sure Cure Kit, with O-Ring Plug Ends, Boost Valve, Bushings, Springs, Cadillac, Chevy, GMC, 4L80-E, 4L85-E, Kit

Part Number: SOX-SC4L80E

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• $10 Summit Bucks

FORWARD SUN GEAR

Part Number: SOX-76612A-01

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Estimated Ship Date: Today

• Free Shipping
• $10 Summit Bucks

Yoke, Automatic/Manual Transmission, Forged Steel, 27-Spline, Spicer 1330 Joint Style, 4.47 in. Length, Each

Part Number: SOX-T2-3-12081HP

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Free Shipping
• $10 Summit Bucks

SERVO COVER KIT SUPPORTED PIN

Part Number: SOX-28821-19K

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Estimated Ship Date: Today

• Free Shipping
• $10 Summit Bucks

Automatic Transmission Shift Kits, Shift Improver, E4OD, 4R100, Sold as a Kit

Part Number: SOX-E4OD4R100ZIP

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping
• $10 Summit Bucks

SOLENOID BLOCK

Part Number: SOX-56954L-C

Not Yet Reviewed

Estimated Ship Date: Dec 18, 2025 if ordered today

• Free Shipping
• $10 Summit Bucks
• Special Order

SLIP YOKE 27 SPLINE 1310 U-JOI

Part Number: SOX-T236081HP8XL

Not Yet Reviewed

Estimated Ship Date: Jan 2, 2026 if ordered today

• Drop Ship
• Free Shipping
• $10 Summit Bucks
• Special Order

Clutch Hub Heavy Duty, "E" Clutch ZF8HP70, Each

Part Number: SOX-35572-38T

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

• Free Shipping
• $10 Summit Bucks
• Special Order

Yoke, TH400, Saginaw Transmission, Forged Steel, 32-Spline, Spicer 3R Joint Style, 7.50 in. Length, Each

Part Number: SOX-T3R-3-9161HP

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping
• $10 Summit Bucks

Vacuum Test Plate, Transmission, Automatic, GM, Ford, Kit

Part Number: SOX-144740-VTP

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping
• $10 Summit Bucks

ACCUMULATOR SLEEVE KIT

Part Number: SOX-76890-01K

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping
• $10 Summit Bucks

BAND EXTRA WIDE RED

Part Number: SOX-S019961

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping
• $10 Summit Bucks

CLUTCH HUB HD

Part Number: SOX-35572-48T

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

• Free Shipping
• $10 Summit Bucks
• Special Order

TRANSMISSION YOKE

Part Number: SOX-T232431CBHP

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping
• $10 Summit Bucks