
2979818
2979935
2979948
2980034
3-313
Engine Tools
Fuel System Repair and Adjust
373-4723 Injector Installer
Model Usage: CT660 Truck
Warranty: Manufacturer’s
• Used to manually install injector into cylinder head
Specications
Dimensions 50.8 x 25.4 mm (2.0 x 1.0 in)
Weight 0.01 kg (0.4 oz)
Part Number Description
373-4723 Injector Installer
373-4727 Fuel Line Restriction and Aeration Tool
Model Usage: CT660 Truck
Warranty: Manufacturer’s
• Used to assist in diagnosis of fuel loss or degradation
Specications
Dimensions 340.4 x 127 mm (13.4 x 5.0 in)
Weight 0.64 kg (1.4 lb)
Part Number Description
373-4727 Fuel Line Restriction and Aeration Tool
373-4728 High Pressure Fuel Rail Return Tester
Model Usage: CT660 Truck
Warranty: Manufacturer’s
• Used to properly test the high pressure return line
• 17 mm (.70 in)
Specications
Dimensions 203.2 x 152.4 x 25.4 mm (8 x 6 x 1 in.)
Weight 0.077 kg (0.2 lb.)
Part Number Description
373-4728 High Pressure Fuel Rail Return Tester
373-4730 Air & Fuel System Caps
Model Usage: CT660 Truck
Warranty: Manufacturer’s
• Usedtopreventdirtanddebrisfromenteringsystemdur-
ingservice
(Continued)