Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2007EXPRESS 3500 V8-4.8LPARTS AND LABORTRANSMISSION AND DRIVETRAINAUTOMATIC TRANSMISSION/TRANSAXLEACCUMULATORPARTS INFORMATION
2007 Chevrolet Express 3500 V8-4.8L
Parts Information
2007 Chevrolet Express 3500 V8-4.8LSECTION Parts Information
| Part | Manufacturer | OEM Part # | Price | Notes |
| 4L80E/4L85E | ||||
| Main Accumulator Piston & Servos | ||||
| Spring | GMO | 8623489 | 7.55 | Order By Description. | GMO | 8655843 | 57.44 | GMO | 8623666 | 7.25 | Order By Description. | GMO | 8675634 | 8.48 | GMO | 24200436 | 8.48 |
| Retainer | GMO | 8623664 | 8.44 | Order By Description. |
| Servo Piston | GMO | 24205250 | 23.40 | |
| 4L80E | GMO | 24223081 | 27.42 | |
| 4L85E | GMO | 24200418 | 16.25 | Order By Description. |
| Seal Ring | GMO | 8626423 | 8.48 | Order By Description. |
| Piston Pin | ||||
| Part Of Servo Piston. | ||||
| Retaining Ring | ||||
| Part Of Servo Piston. | ||||
| Pin | GMO | 24202583 | 24.97 | Order By Length. |
| Thrust Washer | GMO | NOT LISTED | 0.00 | |
| Seal | GMO | 8623430 | 7.07 | Order By Description. |
| Accumulator Piston | GMO | 24202985 | 49.95 | |
| Clip | GMO | 18015044 | 3.21 | |
| Cover Gasket | GMO | 8675728 | 8.48 | |
| Servo Cover | GMO | 24202282 | 49.95 | |
| Ball | GMO | 104918 | 2.89 | |
| Accumulator Body | GMO | 8684220 | 79.60 | |
| Gasket | GMO | 24204253 | 9.76 | GMO | 8661829 | 8.44 |
| Auxiliary Accumulator Valve | ||||
| Housing | GMO | 8684220 | 79.60 | |
| Seal | GMO | 8661639 | 8.44 | GMO | 8661647 | 8.44 |
| Accumulator Piston | GMO | 8683088 | 8.48 | GMO | 24206749 | 24.42 |
| Spring | GMO | 24200436 | 8.48 | GMO | 8675634 | 8.48 |
| Piston Pin | ||||
| Part of Piston Package | GMO | 24206749 | 24.42 | |
| Snap Ring | GMO | 9413349 | 3.05 | |
| THM-700-R4/4L60/4L60E/4L65E/4L70E | ||||
| Accumulator | ||||
| Retainer | GMO | 8642416 | 8.28 | |
| Housing | GMO | 8642979 | 25.59 | |
| Accumulator Spring | GMO | 8639074 | 13.86 | GMO | 24219942 | 8.20 |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.