Your Guide to Summer Towing Transmission Repairs & Upgrades
Warm weather is upon us and with it brings family vacations and exciting road trips to favorite summer spots. But while your customers are creating memories, their transmissions are working overtime racking up miles and hauling heavy loads.
Between the scorching summer temps and the added stress of towing campers, boats, and other recreational toys...an overheated transmission could leave some of your best customers stranded.
Be ready for them — check out this list of top transmission repairs and upgrades to keep hardworking trucks going strong all summer long.
Related Articles: |
Scroll down to view all or use these links to jump to a specific unit:
- Aisin Seiki AS68RC
- Chrysler 545RFE & 68RFE
- Chrysler 618/48RE
- Ford 5R110W
- Ford 6R140
- Ford AODE & 4R70W
- Ford E4OD & 4R100
- GM TH400
- GM 4L60-E
- GM 4L80-E
- GM 6L80 & 6L90
- Toyota A750
- New Process 230 & 240 Series
Aisin Seiki AS68RC | |
|---|---|
Part Name | Part No. |
| Heavy Duty K2 Clutch Hub | 99572-01 - Fits Dodge units only. |
| High Capacity K2 Clutch Piston Kit | 99582-01K |
Chrysler 545RFE & 68RFE | |
|---|---|
Part Name | Part No. |
| Remanufactured Valve Body (545RFE) | CHR140 - '08-Earlier |
| Line Pressure Booster Kit | RFE-LB1 - For use in ’99 –’18 units. Can be used in ’19-later if underdrive pulse is turned off with aftermarket software. |
| Oversized Solenoid Switch Valve & Plug Kit | 92835-31K - Replaces OE switch valve w/ .453" dia. large spool |
| Oversized Solenoid Switch Valve & Plug Kit | 92835-32K - Replaces OE switch valve w/ .420" dia. large spool |
| Smart-Tech® Overdrive Clutch Housing Kit | 72960-16K |
| Heavy Duty Input Shaft | 72670B-01 |
| Heavy Duty Overdrive Clutch Hub & Shaft | 72570-01 |
| TC Limit Valve Kit | 44912-03K |
| Oversized Pressure Regulator Valve Kit | 44912-10K |
| Accumulator Cover Plate Kit | 44892-01K |
| Accumulator Piston Kit | 44894-01K - 1 Piston |
| Accumulator Piston Kit | 44894-01MK - 5 Pistons |
| Center Pump Gear | 72530B-02 |
| 4C Retaining Ring & Shim Kit | 72978-01K |
Chrysler 618/48RE | |
Part Name | Part No. |
| Smart-Tech® High Capacity Input Shaft & Piston Kit | 22121B-02K |
| Heavy Duty Output Shaft | 22173D-HD - For 4WD models only. |
| Heavy Duty Forward (Rear) Clutch Retainer | 22554-HD |
| Reinforced Front Clutch Piston | 22965A-01 |
| 2nd Gear Super Hold Servo Kit | 22301B-01K |
| Accumulator Piston Kit | 22841-04K |
| Converted Valve Body | CHR135 - '03-Later |
| Lube Regulated Pressure Regulator Valve | 22771A-02K - '78-Later |
| Oversized Throttle Valve Kit | 22771-04K |
| 4-Spool Switch Valve | 22771A-01 - '93-Later |
| 6-Tab Front Thrust Washer | 22700GT-01 |
| 6-Tab Rear Thrust Washer | 22700FT-01 |
| Reverse Servo Piston Plug Kit | 22912-01K - '74-Later |
| Rear Servo Piston | 22912C - '97-Later |
| The Sure Cure® Kit | SC-48RE |
Ford 5R110W | |
Part Name | Part No. |
| Remanufactured Valve Body | F05R110 |
| Heavy Duty Input Shaft | 36670-HD |
| High Capacity Direct Clutch Apply Piston Kit | 36965-01K |
| Low/Reverse Retaining Ring | 36885 |
| Manual Valve | 36940-22 |
| Pressure Switch O-Ringed End Plug Kit | 36940-17K |
| Converter Pressure Limit Valve Kit | 36940-06K - '05-Later |
Ford 6R140 | |
Part Name | Part No. |
| Zip Kit® | 6R140-ZIP |
Ford AODE & 4R70W | |
Part Name | Part No. |
| Remanufactured Valve Body | F095 - '01-'08 |
| Remanufactured Valve Body | F098 - '09-Later |
| Smart-Tech® Forward Clutch Drum | 76654-01K |
| Smart-Tech Direct Clutch Drum & Shaft Kit | 76656-01K |
| Line Pressure Booster Kit | 4R70W-LB1 |
| Oversized Pressure Regulator & Boost Valve Kit | 76948-16K - '95-Earlier |
| Oversized Pressure Regulator & Boost Valve Kit | 76948-17K - '96-Later |
| Valve Body Retainer Plate Kit | 76507F-01K - '01-Later |
| Overdrive Servo Pin Kit | 76833E |
| Zip Kit® | AODE-4R75E-ZIP |
| The Sure Cure® Kit | SC-AODE-4R75E |
Ford E4OD & 4R100 | |
Part Name | Part No. |
| Heavy Duty Input Shaft | 36670-HD |
| Line-To-Lube Pressure Regulator Valve | 36424-04K*† |
| Boost Valve Kit | 36424-01K* |
| Intermediate & Direct Clutch Feed Seal Kit | 36424-24K*† |
| Line Pressure Booster Kit | 4R100-LB1† |
| Front Lube/Drainback Valve Kit | 36425-01K*† |
| Low/Reverse Modulator Plunger Valve Kit | 36947-06K* - '96-Later |
| Heavy Duty Low/Reverse Modulator Sleeve Kit | 36947-09K† - '96-Later |
| Sure Lock Spiral Snap Ring | 36744-01* |
| Cooler Bypass Valve Kit | 36605-02K - '97-Later |
| Zip Kit® | E4OD-4R100-ZIP |
| Performance Pack | HP-4R100-01 |
*Included in E4OD-4R100-ZIP kit †Included in HP-4R100-01 kit | |
GM TH400 | |
Part Name | Part No. |
| Line Pressure Booster Kit | 400-LB1 |
| Heavy Duty Forward Drum | 34554-01 |
| Heavy Duty Input Shaft | 30280-01 |
| Heavy Duty Main Shaft | 34672-01 |
| Heavy Duty Intermediate Clutch Backing Plate | 34144HD-01 |
| Case Saver Retainer | 34762-10 |
| PTFE Pump Bushing | 34034T-01 |
| Forward Clutch Hub | 34322-01 |
| Forward Clutch Hub Washer (Front) | 34298-078 |
| Manual Shift Shaft Kit | 38511-05K |
| Adjustable Rear Servo Pin Kit | 34912-01K |
| Heavy Duty Case Bushing Kit | 34006-SPB |
GM 4L60-E | |
Part Name | Part No. |
| Remanufactured Valve Body | GM048 - '96-'00 |
| Remanufactured Valve Body | GM049 - '00-'02 Annular lockup |
| Remanufactured Valve Body | GM051 - '03-'08 |
| Boost Valve Kit | 77898E-6K - Early style, .470" dia., OE ratio, factory style |
| Boost Valve Kit | 77898E-16K - Late style, .472" dia., OE ratio, O-ring style |
| Line Pressure Booster Kit | 4L60E-LB1 - Early-Style |
| Line Pressure Booster Kit | 4L60E-LB2 - Late-Style |
| Heavy Duty 2-3 Shift Valve | 77754-41 |
| Forward & Reverse Abuse Valve Kit | 77754-35K |
| Oversized Forward & Reverse Abuse Valve Kit | 77754-58K |
| TCC Regulator & Isolator Valve Kit | 77754-04K |
| Actuator Feed Limit Valve Kit | 77754-09K |
| Heavy Duty Overrun Clutch Hub | 74574-HD |
| SmartShell® Heavy Duty Reaction Shell Kit | 77749-02K |
| Rear Stator Support Bushing | 77002BT-01 |
| Heavy Duty 3-4 Clutch Backing Plate Kit | 74140-01K |
| Input Housing Overrun Sleeve Kit | 77733-51KA |
| Input Housing Forward Sleeve Kit | 77733-52K |
| Heavy Duty Input Shaft | 77733-11SB |
| Heavy Duty Output Shaft | 74678L-HD |
| Extra Wide Intermediate Band | 77700-01K |
| 2nd Gear Servo Kit | 77701-02K |
| The Sure Cure® Kit | SC-4L60E |
| Performance Pack | HP-4L60E-01 - '94-Later |
GM 4L80-E | |
Part Name | Part No. |
| Remanufactured Valve Body (with Smart-Tech Overrun Clutch Valve Kit Installed) | GM033 - '97-'03 |
| Remanufactured Valve Body (with Smart-Tech Overrun Clutch Valve Kit Installed) | GM030 - '04-Later |
| Smart-Tech® Overrun Clutch Valve Kit | 34200-40K - '97-Later |
| Lube Regulated Pressure Regulator Valve | 34200-14K |
| Line Pressure Booster Kit | 4L80E-LB1 |
| Heavy Duty Low/Reverse Servo Piston | 34914-02 - '96-Later |
| Adjustable Rear Servo Pin Kit | 34912-01K - '95-Earlier |
| Reverse Servo Spacer Kit | 34528-01K - '96-Later |
| Actuator Feed Limit Valve Kit | 34200-16K |
| Heavy Duty Case Bushing Kit | 34006-SPB |
| Heavy Duty Input Shaft | 34670-01 |
| Heavy Duty Main Shaft | 34672-01 |
| Heavy Duty Intermediate Clutch Backing Plate | 34144HD-01 |
| Case Saver Retainer | 34762-20 - '99-Later |
| Performance Pack | HP-4L80E-01 |
| The Sure Cure® Kit | SC-4L80E |
GM 6L80 & 6L90 | |
Part Name | Part No. |
| Remanufactured Valve Body (6L80) | GM6L80E - '06-'09 |
| Remanufactured Valve Body (6L80) | GM6L80L - '10-Later |
| Remanufactured Valve Body (6L90) | GM6L90E - '06-'09 |
| Remanufactured Valve Body (6L90) | GM6L90L - '10-Later |
| Line Pressure Booster Kit | 6L80-LB1 |
| Pressure Regulator Valve Kit | 104520-14K |
| 1-2-3-4 Piston | 104984-01 |
| Heavy Duty 4-5-6 Clutch Apply Piston Kit | 104960-01K |
| High Capacity 4-5-6 Clutch Apply Piston Kit | 104960-10K |
| High Capacity 3-5-R Apply Ring | 104548-01 |
| Heavy Duty 4-5-6 Clutch Hub & Intermediate Shaft | 104680-36 - 6L80 |
| Heavy Duty 4-5-6 Clutch Hub & Intermediate Shaft | 104690-36 - 6L90 |
| Zip Kit® | 6L45-6L90-ZIP |
*Included in 6L45-6L90-ZIP kit | |
Toyota A750 | |
Part Name | Part No. |
| Line Pressure Booster Kit | A750-LB1 |
| Zip Kit® | A750E-A761E-ZIP |
New Process 230 & 240 Series | |
Part Name | Part No. |
| Transfer Case Pump Plate Kit | 100246-02K |
| Transfer Case Split Ring Retainer | 100420-02K |
Related Units
5R110W Transmission
AS68RC Transmission
4R70W Transmission
545RFE Transmission
68RFE Transmission
AODE Transmission
4R100 Transmission
6L90 Transmission
6L80 Transmission
6R140 Transmission
E4OD Transmission
48RE Transmission
A750E Transmission
TH400 Transmission
4L60-E Transmission
4L80-E Transmission
New Process 230 & 240 Series Transmission
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