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TH400 3L80 Transmission parts
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TH400 transmission governor with gear. 46890 TH400 Transmission governor with gear.

TH400 governor

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TH400 4L80E Transmission front unit end play shim .010" thick. 10 per bag. 34500Z GM 4L80E/400 SHIM, UNIT ENDPLAY, 10/SET

NOT FOR USE WITH 1997 or newer 4L80E'S.

Competitors Price $7.44
Your Cost $6.62
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TH400 4L80E forward clutch drum Selective washer.078" 34301078 GM 4L80E/400, THRUST WASHER, DIRECT HUB .078, 5/SET

This washer takes up excessive play caused by worn hard parts. Restores sealing ring position in the forward drum. 5 per bag.
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Competitors Price $17.68
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34301-094 TH400 4L80E Forward Clutch Drum Selective Washer .094"(2.387mm). 34301094 GM 4L80E/400, THRUST WASHER, DIRECT HUB .094, 5/SET

This washer takes up excessive play caused by worn hard parts. Restores sealing ring position in the forward drum. 5 per bag.
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Competitors Price $17.23
Your Cost $15.34
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TH400 Manual Shift Shaft Kit 3851105K GM TH400 SHAFT KIT, MANUAL SHIFT

TH400 Manual Shift Shaft Kit

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Competitors Price $27.79
Your Cost $24.75
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35801-01 GM 350, 400 standard thread pan bolts. 3580101 GM 350, 400 BOLT, PAN, 100/SET

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4L80E Sure Cure transmission reconditioning kit. SC4L80E GM 4L80E SURE CURE KIT

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List Price: $123.93
Competitors Price $122.77
Your Cost $109.32
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TH400 4L80E HD rear case bushing with flange 64-on 34006SP GM 4L80E/400, THRUST BUSHING, NO "WALK OUT" CASE

Sonnax 34006-SP
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Competitors Price $11.32
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34105-01K TH400 Oversize Accumulator Pin Kit. 34105-01K TH400 Oversize Accumulator Pin Kit.

This is a refill kit for 34105-02K containing 4 oversize accumulator pins and 4 retainer rings.
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Competitors Price $16.67
Your Cost $14.84
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34105-02K TH400 Oversized Accumulator Pin & Reamer Kit. 34105-02K TH400 Oversized Accumulator Pin & Reamer Kit.

This kit contains 10 pins, 10 retainer clips and 1 reamer.
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Competitors Price $53.39
Your Cost $47.54
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TH400 standard size reverse boost valve kit with o-rings. 3491001K GM THM 400 VALVE ASSY, BOOST W/ORINGS

Restores line pressure boost and prevents reverse shudder, soft 1-2 shift and soft 2-3 shift. Restores hydraulic circuit integrity. This is a direct replacement part, no machining required.

Competitors Price $38.70
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400 pressure regulator valve kit 1971-on. 3491003K GM THM 400, INCLUDES END PLUG VALVE KIT, PR & SEAL

This kit contains 1 pressure regulator valve, 2 Teflon seals, 1 end plug and an o-ring. Restores hydraulic circuit integrity. This is a direct replacement part, no machining required.
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Competitors Price $30.08
Your Cost $26.78
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TH400 Transmission reverse boost valve kit. 3491005K GM THM 400 VALVE KIT, REV BOOST W/O ORING

Restores reverse boost pressure. Prevents reverse shudder, soft 1-2 shifts, soft 2-3 shift. Restores hydraulic circuit integrity. This is a direct replacement part, no machining required.
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List Price: $35.24
Competitors Price $37.73
Your Cost $33.60
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TH400 4L80E transmission rear unit end play shim 1964-on 3400605 400, 425, 4L80-E, 4L85-E SHIM, UNIT ENDPLAY, 10/SET

Shims are used for setting output shaft and planetary end play.
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Competitors Price $6.86
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402 GM 400 GOVERNOR GEAR KIT - TH400 402 GM 400 GOVERNOR GEAR KIT - TH400

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Competitors Price $6.47
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34006OS GM 4L80E, THM 400 BUSHING, NO-WALK, O/S CAM 34006OS GM 4L80E, THM 400 BUSHING, NO-WALK, O/S CAM


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Competitors Price $9.10
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TH400 3L80 Transmission parts