Sonnax transmission parts,Sonnax transmission valves and tools

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4T40E 4T45E Transmission boost valve & sleeve kit

3388603K GM 4T40E, 4T45E VALVE ASSY, BOOST

This replacement boost valve assembly restores hydraulic integrity to the circuits and properly controls line pressure rise. Wider spool provides more support.
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Competitors Price $50.32

Your Cost $50.32

33886-01K 4T40E, 4T45E AFL valve & sleeve kit

3388601K 4T40E, 4T45E KIT, AFL VALVE SLEEVE & SPRING

This wear resistant aluminum sleeve allows reuse of the original valve and provides more contact for better hydraulic control.
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Competitors Price $53.61

Your Cost $50.16

3300003 4T40-E, 4T45-E SLEEVE, TCC CONTROL VALVE

Tool F-33000-TL is also required and VB-FIX Sonnax valve body reamer fixture is also required.
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Competitors Price $49.95

Your Cost $45.38

33886-02 4T40E 4T45E Oversize pressure regulator valve

3388602 4T40, 4T45E VALVE, PRESSURE REG O/S

This replacement boost valve assembly restores hydraulic integrity to the circuits and properly controls line pressure rise. Wider spool provides more support. Tool 33886-TL2 is required.
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Competitors Price $46.32

Your Cost $46.32