
2595984
2596003
2596026
3-261
Engine Tools
Fuel System Repair and Adjust
4C-8175 Nozzle Puller Assembly
Model: 3306 Engine
Warranty: Six Months
• Usedtoremove104-9450Direct
Injection Fuel Nozzle Assembly
• Requiredfornozzleremoval(carbon
build-up around nozzle stems pre-
ventsremovalbyhand)
• Using specialized puller makes
nozzleremovalfaster,easier,and
helpspreventdamage
• As of June 1, 1994 the 104-9450 Fuel
Injection Nozzle is used only in the
European market
Part Number Description
4C-8175 Nozzle Puller Assembly
134-2570 Nozzle Retainer Spanner Wrench
Model: 3406B, 3406C, 3408, 3408B, and 3412 Engines with P and L Fuel Systems
Warranty: Six Months
• Replaces discontinued 8T-3139 Spanner Wrench and 9U-5840 Spanner Wrench
• Usedtoremoveandinstall7W-2315FuelInjectionNozzleRetainer
• Providesadditionalclearancefor3406Band3406CEnginesequippedwith
Jacobs Engine Brake
• Made from SAE 4140 steel and heat-treated for long tool life
Hex size 14.28 mm ( 9/16 in)
Overallheight 20.5 mm (0.81 in)
Overalldiameter 41.0 mm (1.61 in)
Distance between pins 28.5 mm (1.12 in)
Part Number Description
134-2570 Nozzle Retainer Spanner Wrench
1U-9725 Wrench
Model: See below
Warranty: Six Months
• Usedonfollowingenginestoremoveandreplacenozzleadapters
• Largerandstrongertoeliminatebreakagewhenremovingtightadapters
• Works on both 7W-1645 (old style) and 7W-5435 (new style) Nozzle Adapters
• Has1/2inchsquaredrivefornormalusage,and28.57mm(11/8in)hexsolarger
drivesocketcanbeusedwhenremovingtightadapters
Engine Serial No.
3406B All
3408 S/N 78Z-1277-up
S/N 67U-11092-up (DI only)
3412 S/N 81Z-4579-up
S/N 38S-13223-up
S/N 60M-2477-up
Part Number Description
1U-9725 Wrench