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Boost Valve Kit Sonnax 4L80E 4L85E MT1 MN8
$29.09 - $29.09
$29.09
$29.09 - $29.09
$29.09

Boost Valve Kit Sonnax 4L80E 4L85E MT1 MN8

in stock

Boost Valve Kit 4L80-E, 4L85-E From Sonnax Compatible with '91-later units featuring a factory-style sleeve (no O-rings). Can also be retrofitted t...

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$29.09 - $29.09
$29.09
$29.09 - $29.09
$29.09
Sonnax 1-2 & 2-3 Shift Valve Spring Kit for 4L80-E, 4L85-E
$5.93 - $5.93
$5.93
$5.93 - $5.93
$5.93

1st-2nd And 2nd-3rd Shift Valve Spring Kit Sonnax 4L80E 4L85E

in stock

Sonnax 1-2 And 2-3 Shift Valve Spring Kit for 4L80-E, 4L85-E In GM 4L80-E and 4L85-E transmissions, proper 4th gear operation relies on signal A oi...

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$5.93 - $5.93
$5.93
$5.93 - $5.93
$5.93
Boost Valve Kit With O-Rings Sonnax 4L80E 4L85E
$29.69 - $29.69
$29.69
$29.69 - $29.69
$29.69

Boost Valve Kit With O-Rings Sonnax 4L80E 4L85E

in stock

Sonnax Boost Valve Kit for 4L80-E, 4L85-E GM 4L80-E and 4L85-E transmissions often encounter issues like uncontrollable line rise (up to 500-600 ps...

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$29.69 - $29.69
$29.69
$29.69 - $29.69
$29.69
TCC Regulator Valve Kit Sonnax 4L80E 4L85E
$28.17 - $28.17
$28.17
$28.17 - $28.17
$28.17

TCC Regulator Valve Kit Sonnax 4L80E 4L85E

in stock

Sonnax TCC Regulator Valve Kit for 4L80E and 4L85E Transmissions GM vehicles equipped with 4L80-E and 4L85-E transmissions may experience issues su...

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$28.17 - $28.17
$28.17
$28.17 - $28.17
$28.17
Sonnax Zip Kit 6R60 6R75 6R80 ZF6HP19 ZF6HP26 ZF6HP32
$173.70 - $173.70
$173.70
$173.70 - $173.70
$173.70

Sonnax Zip Kit 6R60 6R75 6R80 ZF6HP19 ZF6HP26 ZF6HP32

Only 1 left!

Sonnax Zip Kit for 6R60, 6R75, 6R80 , ZF6HP19, ZF6HP26, ZF6HP32 The Sonnax Zip Kit ZF6-6R60-ZIP addresses common valve body issues in ZF6HP19/26/32...

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$173.70 - $173.70
$173.70
$173.70 - $173.70
$173.70
Sonnax Solenoid Test Manifold Kit 845RE ZF8HP45 ZF8HP55 ZF8HP70
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$39.11 - $39.11
$39.11
$39.11 - $39.11
$39.11

Sonnax Solenoid Test Manifold Kit 845RE ZF8HP45 ZF8HP55 ZF8HP70

Out of stock

Sonnax Solenoid Test Manifold Kit for 845RE, ZF8HP45, ZF8HP55, ZF8HP70 The primary cause of solenoid failure in ZF8HP45, ZF8HP55, ZF8HP70, and Chry...

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$39.11 - $39.11
$39.11
$39.11 - $39.11
$39.11
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$9.77 - $9.77
$9.77
$9.77 - $9.77
$9.77

Pinion Bronze Washer Kit (6) Sonnax Sun Gear 24 tooth 5R55N 5R55S 5R55W

in stock

Pinion Bronze Washer Kit (6) Sonnax Sun Gear 24 tooth 5R55N 5R55S 5R55W Fits .452in dia. pinion pins. For OD planetaries with 24-tooth sun gear Tra...

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$9.77 - $9.77
$9.77
$9.77 - $9.77
$9.77
$26.67 - $26.67
$26.67
$26.67 - $26.67
$26.67

Sonnax Shift Cable Mount Bracket 4L60E 1996/97 4L80E 4L85E 1996

in stock

Sonnax Shift Cable Mount Bracket 4L60E 1996/97 4L80E 4L85E 1996 Transmission cases made in 1994 and 1995 have neutral safety switch mounting holes ...

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$26.67 - $26.67
$26.67
$26.67 - $26.67
$26.67
Sure Cure Kit Sonnax 4L80E 4L85E
$150.74 - $150.74
$150.74
$150.74 - $150.74
$150.74

Sure Cure Kit Sonnax 4L80E 4L85E

Only 1 left!

Sonnax Sure Cure Kit for 4L80E And 4L85E Rebuild with confidence and stop "comebacks" with the Sonnax Sure Cure Kit (SC-4L80E). The 4L80E is a heav...

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$150.74 - $150.74
$150.74
$150.74 - $150.74
$150.74
Sonnax Case Saver Retainer for TH400 & '98-Earlier 4L80-E
$66.01 - $66.01
$66.01
$66.01 - $66.01
$66.01

Sonnax Case Saver Retainer TH400 4L80E M40 3L80 MT1

in stock

Sonnax Case Saver Retainer for TH400 & '98-Earlier 4L80-E The Sonnax case saver retainer 34762-10 is the only intermediate clutch retaining rin...

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$66.01 - $66.01
$66.01
$66.01 - $66.01
$66.01
Output & Reaction Planetary Rebuild Kit with .750" Wide Pinion Gears 4L80E TH400 M40 3L80 MT1
$31.97 - $31.97
$31.97
$31.97 - $31.97
$31.97

Output And Reaction Planetary Rebuild Kit with .750"" Wide Pinion Gears 4L80E TH400 M40 3L80 M

in stock

Sonnax Planetary Rebuild Kit for 4L80-E, TH400 Transmissions Optimize the performance of your TH400 or '98-earlier 4L80-E transmission with the Son...

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$31.97 - $31.97
$31.97
$31.97 - $31.97
$31.97
Overdrive And Intermediate Servo Pin Bore Sleeve Kit Sonnax 5R55N 5R55S 5R55W
Sold Out
$67.78 - $67.78
$67.78
$67.78 - $67.78
$67.78

Overdrive And Intermediate Servo Pin Bore Sleeve Kit Sonnax 5R55N 5R55S 5R55W

Out of stock

Overdrive And Intermediate Servo Pin Bore Sleeve Kit for 5R55N, 5R55S, 5R55W Servo apply oil is channeled through the core of the case bridge and d...

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$67.78 - $67.78
$67.78
$67.78 - $67.78
$67.78
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Line Pressure Booster Kit Sonnax TH700 TH700-R4 TH200-4R
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$29.14 - $29.14
$29.14
$29.14 - $29.14
$29.14

Line Pressure Booster Kit Sonnax TH700 TH700-R4 TH200-4R

Out of stock

Line Pressure Booster Kit Sonnax TH700 TH700-R4 TH200-4R Line pressure booster kit 700R4-LB1 fits GM 4L60 (700-R4) and 200-4R transmissions. Sonnax...

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$29.14 - $29.14
$29.14
$29.14 - $29.14
$29.14
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Sonnax is a global leader in cutting-edge transmission, torque converter, and driveline solutions. Sonnax is committed to delivering the highest quality aftermarket automotive products and stands as the go-to source for transmission and specialty driveline components, designed and developed with unparalleled expertise.

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