Sonnax

TH350 350C Boost Valve Kit | Sonnax

Sonnax part number: 35754-01K TH350 TH350C Boost Valve Kit In GM TH350 and TH350C transmissions, the OE boost valve sleeve wears out from the reciprocation of the steel valve within the aluminum...

TH350 350C Governor | Sonnax

Sonnax part number: SON350Fits: TH350 Replacement governor from Sonnax for TH350 and TH350C transmissions, Sonnax part number 350. Sonnax lists shift concerns as the symptom this governor addresses.

TH350 350C Intermediate Servo Sleeve Kit | Sonnax

Sonnax part number: 35709-01K TH350 TH350C Intermediate Servo Sleeve Kit In GM TH350 and TH350C units, the intermediate servo bore becomes scored from repeated cycling. The spring side of the piston...

TH350 350C Replacement Seal Kit for 35719-01K | Sonnax | 10-Pack

Sonnax part number: 35719-SK TH350 TH350C Replacement Seal Kit for 35719-01K

TH350 350C Shift Shaft & Seal Kit | Sonnax

Sonnax part number: 35801-02K TH350 TH350C Shift Shaft & Seal Kit It is common for the shift shaft seal in GM TH350 and TH350C transmissions to leak. Often this leaking is caused by scoring on the...

TH350 Boost Valve Kit | Sonnax

Sonnax part number: 35754-01KOur SKU: 350-LB1Fits: TH350C, TH350 In GM TH350 and TH350C transmissions, the OE boost valve sleeve wears out from the reciprocation of the steel valve within the...

TH350 Case Cover to Sprocket Bearing

Sonnax part number: GM-N-14HOur SKU: 44211CFits: HP Miscellaneous

TH350 Governor Gear Kit

Sonnax part number: A44684Fits: TH350 A governor gear kit for TH350 and TH350C transmissions, Sonnax part number 352, used to address shift concerns caused by a lost or damaged governor gear. The...

TH350 Intermediate Overrun Clutch Outer Race | Sonnax

Sonnax part number: 35723HD-02 A revolutionary upgrade for GM TH350 and TH350C performance vehicles, Sonnax heavy duty intermediate overrun clutch outer race 35723HD-02 delivers twice the torque...

TH350 TH400 MT540 Powerglide HD Pump Bushing | Sonnax | Steel .615''

Sonnax part number: 34034T-01 TH350 TH400 MT540 Powerglide HD Pump Bushing OE PART NUMBER: 29511860 Worn babbit pump bushings in GM Powerglide, TH350, TH400 and Allison® AT-540 transmissions

TH400 4L80E 4L85E HD Main Shaft | Sonnax

Sonnax part number: 34672-01Fits: TH400, 4L80-E, 4L85-E Main shaft failure is a common problem in performance and heavy duty GM TH400, 4L80-E and 4L85-E units. Sonnax heavy duty main shaft 34672-01...

TH400 4L80E 4T60E 4T65E Output & Reaction Planetaries Pinion Washer | Sonnax | 8-Pack

Sonnax part number: 34875-03Fits: TH400, 4L80E, 4T60E, 4T65E A pinion washer for the output and reaction planetaries in TH400, 4L80E, 4L85E, 4T60E and 4T65E transmissions, made by Sonnax, sold...

TH400 4L80E Adjustable Low/Reverse Servo Pin Kit (1995 & Earlier) by Sonnax

Sonnax part number: 34912-01K 4L80-E, TH400 Adjustable Low/Reverse Servo Pin KitPart No. 34912-01KFits all TH400 & '95-earlier 4L80-E.OE Part No. 8624140, 8627193, 8624141, 8627194, 8627195 Sonnax...

TH400 4L80E Extreme Duty Main Shaft | Sonnax

Sonnax part number: 34672-05Fits: TH400, 4L80-E, 4L85-E Main shaft failure is a common problem in extreme duty GM TH400, 4L80-E and 4L85-E units. OE and aftermarket shafts simply don’t hold up in...

TH400 4L80E HD Low/Revers Servo Piston | Sonnax | Pre-1996

Sonnax part number: 34914-01OE part no.: 24232745 TH400 4L80E HD Low/Revers Servo Piston (95-Earlier) by Sonnax Fits all TH400 & '95-earlier 4L80-E. OE cast aluminum servo pist

TH400 4L80E HD Sprag Element | Sonnax

Sonnax part number: 34658-HD Sonnax heavy duty sprag element 34658-HD is the ideal upgrade for GM TH400, 4L80-E, 4L85-E intermediate sprags in performance racing transmissions. Designed for Pro...

TH400 4L80E Low Roller Clutch Assembly - HD | Sonnax

Sonnax part number: 34654HD-01K Protect against direct drum and low roller clutch failure in GM TH400, 4L80-E and 4L85-E transmissions with the Sonnax heavy duty roller clutch assembly 34654HD-01K...

TH400 4L80E Manual Shift Shaft Kit (1985-1994) 4.660''

Sonnax part number: 38511-01KFits: TH400, 4L80E · 1985-1994 Manual shift shaft kit for TH400, 4L80-E and 4L85-E transmissions, 1985-1994. The shaft lever is 4.660 inches long. Made by Sonnax, and...

TH400 4L80E MT540 Forward & Direct Clutch Inner Snap Ring | Sonnax | 5-Pack

Sonnax part number: 34577-01 A forward and direct clutch inner snap ring for TH400, 4L80E and MT540 automatic transmissions, and for Allison AT540, AT543 and AT545 transmissions, made by Sonnax. It...

TH400 4L80E Planet Pinion Pin | Sonnax | 4-Pack

Sonnax part number: 34875-01Fits: TH400, 4L80E A planet pinion pin from Sonnax, used in the output and reaction planetary assemblies of TH400, 4L80E and 4L85E transmissions. A pinion pin is the shaft...