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You are here: Home > TRANSMISSION PARTS AUTOMATIC TRANSMISSION KITS > Foreign Mfg > Isuzu > Isuzu Rear Wheel Drive > 4L80E 4 Spd RWD NPR Truck 1997-2003 > Sonnax Valves & Tools
Sonnax Transmission Valves & Tools
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34200-03K 4L80E OEM style boost valve 3420003K 4L80E VALVE KIT, BOOST W/O ORINGS

Restores line pressure boost and prevents the buzzing noise.
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Competitors Price $25.52
Your Cost $25.52
34805-01K 4L80E Transmission 4th Accumulator Bore Repair Sleeve Kit. 3480501K 4L80E PISTON KIT, 4TH ACCUM W/SLEEVE

Repair the damaged accumulator bore.
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Competitors Price $45.02
Your Cost $45.02
4L80E transmission rear servo piston retainer clips. 10 Per bag 34989-01 4L80E Transmission rear servo piston retainer clips. 10 Per bag.

Replacement for lost or damaged clips.

Competitors Price $7.03
Your Cost $6.26
34994-13 4L80E aluminum end plug & o-rings, TCC valve. 3499413 4L80E PLUG, TCC VLV END-SMALL, 5/SET

Provides better sealing than OEM end plugs. 5 Per bag.

Competitors Price $13.80
Your Cost $13.80
77754-TL 4L60E 4L80E Reamer for 77754-09K. 77754TL 4L60E 77754-09K,4L80E34200-16K TOOL KIT, AFL VALVE KITS

Reamers for 77754-09K and 34200-16K.
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Competitors Price $490.50
Your Cost $490.50
4L80E TCC & pressure regulator valve end plugs, 5 Per bag 3420005K 4L80E PLUG, PR/TCC VALVE-.625" 5/SET

Competitors Price $13.62
Your Cost $13.62
4L80E self regulating boost valve kit 3420010K 4L80E VALVE KIT, BOOST W/ORINGS

Prevents damage caused by excessive line pressure.
This is a direct replacement part, no machining required.
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Competitors Price $95.20
Your Cost $95.20
4L80E actuator feed limit valve kit 3420016K GM 4L80E VALVE KIT, ACTUATOR FEED LIMIT

Competitors Price $52.16
Your Cost $52.16
4L80E Torque converter clutch regulator valve kit. 3499401K 4L80E VALVE KIT, TCC REGULATOR

Prevents torque converter clutch shudder & CODE 68. Restores torque converter apply pressure.
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Competitors Price $25.22
Your Cost $25.22
4L80E Transmission 1-2/2-3 shift valve spring. 3499402K GM 4L80E SPRING, 1-2 & 2-3 SHIFT VALVE

Prevents repeated solenoid B CODES 86-87 or no 3rd or 4th gear. This is a direct replacement part.
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Competitors Price $5.22
Your Cost $5.22
34994-14K 4L80E .684" TCC valve plug with o-rings. 3499414K 4L80E, 5/SET PLUG, TCC VLV END-.668DIA 5/ST


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Competitors Price $12.16
Your Cost $12.16
4L80E line to lube pressure regulator valve kit 3420014K GM 4L80E VALVE KIT, PR LINE TO LUBE

This valve allows regulated flow to the torque converter charge and lube circuit at idle, while preventing TC drain back and loss if pump prime.
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Competitors Price $90.46
Your Cost $90.46
34994-16K 4L80E Manual valve kit 3499416K GM 4L80E VALVE KIT, MANUAL VLV & PLUG

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Competitors Price $65.85
Your Cost $61.62
34994-17K 4L80E Manual valve end plug. 3499417K GM 4L80E END PLUG KIT, AFL FILTER

This kit does not contain the manual valve.
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Competitors Price $6.94
Your Cost $6.94
4L80E Transmission rear servo spacer kit 3452801K 4L80E SPACER KIT, MOD REAR SERVO

Poor reverse servo design and high pressures in reverse combine to cause reverse servo breakage.
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Competitors Price $18.36
Your Cost $18.36
34825-01 4L80E Transmission 1-2 shift valve spring. 34825-01 4L80E Transmission 1-2 shift valve spring.

DISCONTINUED PRODUCT - ONLY 1 LEFT IN STOCK

Competitors Price $22.64
Your Cost $20.16
34994-18K 4L80E TCC Regulator Valve & Sleeve Kit 3499418K GM 4L80E VALVE/SLEEVE KIT, TCC REG

Requires Tool Kit F-34994-TL18 and VB-FIX Reaming Fixture
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Competitors Price $87.26
Your Cost $87.26
F-34994-TL18 Reamer for 34994-18K F34994TL18 4L80E TOOL KIT F/34994-18K

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Competitors Price $640.14
Sale Price: $640.14
F-34200-TL16 Tool kit for 34200-16K F-34200-TL16 Tool kit for 34200-16K

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Competitors Price $404.28
Your Cost $360.00
   
 
Sonnax Transmission Valves & Tools