Wiring harness for Caterpillar construction equipment. Specific model fitment not confirmed via web search; part number is in the 163-series used for excavator harnesses.

Contact for wholesale

1638523

SensorCaterpillar

Pressure Sensor

Oil pressure sensor (SENSOR GP-PRESSURE) for Caterpillar large gas and diesel engines including 3508, 3512, 3516, G3512E, G3516B, G3516C series. Monitors engine oil pressure and transmits signal to the control system.

Contact for wholesale

164-0717

Solenoid ValveCaterpillar

Solenoid Valve

24V solenoid valve (VALVE GP-SOLENOID) for Caterpillar G3600 series gas engines including G3606, G3606B, G3608, G3612, and G3616. Controls fluid or air flow via electromagnetic actuation.

CAT 3606Contact for wholesale

164-2441

SensorCaterpillar

Exhaust Temperature Sensor

Exhaust temperature sensor group for Caterpillar 3512 V12 diesel engine. Monitors exhaust gas temperature for engine management and protection.

CAT 3512Contact for wholesale

164-7577

SwitchCaterpillar

Bypass Switch

Oil filter bypass switch (SWITCH GP-BYPASS) used across multiple Caterpillar machine lines including the 990 II wheel loader, D4H track-type tractor, and CX35 transmission. Signals when the oil filter is bypassing due to restriction.

CAT 730Contact for wholesale

1643692

SensorCaterpillar

Pressure Sensor

Pressure sensor (SENSOR GP-PRESSURE) for Caterpillar heavy equipment including the 990 wheel loader. Monitors hydraulic or oil system pressure and sends an electrical signal to the machine control system.

CAT 990+2Contact for wholesale

165-4262

PistonCaterpillar

Piston Body

Piston body assembly for Caterpillar 611 wheel tractor-scraper hydraulic system.

CAT 611Contact for wholesale

165-4500

Gear PumpCaterpillar

Gear Pump and Drive

Four-section hydraulic fluid gear pump and drive group for Caterpillar 789C and 789D large off-highway mining trucks. Supplies hydraulic pressure to multiple circuits.

CAT 789D+1Contact for wholesale

165-5639

ValveCaterpillar

Valve

Caterpillar valve component. Applicable model data missing from source record.

Contact for wholesale

165-5648

Air DryerCaterpillar

Air Dryer

Air dryer assembly for Caterpillar 773D off-highway mining truck air brake system.

CAT 773DContact for wholesale

165-5777

Travel MotorCaterpillar

Final Drive Travel Motor

Final drive travel motor assembly for Caterpillar 315D excavator. Provides the hydraulic motive force for crawler travel.

CAT 315DContact for wholesale

165-6634

SensorCaterpillar

Coolant Level Sensor

Coolant level sensor (SENSOR GP-COOLANT LEVEL) for Caterpillar engines including 3306B, 3512B, 3126B, C7 industrial, and G3512/G3516 series. Detects coolant level in the expansion tank and alerts the operator when level is low.

Contact for wholesale

1656668

Piston RingCaterpillar

Piston Oil Control Ring

Piston oil control ring for Caterpillar 3512C and 3516B large diesel engines. Controls oil consumption by scraping excess oil from cylinder walls.

CAT 3516B+1Contact for wholesale

1658633

Hydraulic CylinderCaterpillar

Bulldozer Lift Cylinder

Bulldozer blade lift cylinder group for Caterpillar D8L track-type tractor. Raises and lowers the bulldozer blade.

CAT D8LContact for wholesale

166-1497

Oil SealCaterpillar

Lip Seal

Lip-type seal (9X-4598 cross-reference) for Caterpillar hydraulic excavators including 325D, 330D, 336D, 345D, 349F, 390D, and 390F. Provides a dynamic sealing surface to prevent fluid leakage in hydraulic or rotating assemblies.

CAT 395Contact for wholesale

166-5942

BellowsCaterpillar

Bellows

Exhaust or intake bellows assembly for Caterpillar 3516B gas engine, used in large industrial power generation.

CAT 3516BContact for wholesale

166-6761

Slip JointCaterpillar

Slip Joint

Driveshaft slip joint assembly for Caterpillar 938G wheel loader, allowing axial movement in the driveline.

CAT 938GContact for wholesale

166-6937

GaugeCaterpillar

Quad Gauge Module

Quad gauge module (MODULE GP-QUAD GAUGE) for Caterpillar 3512 engine instrument panels. Displays four engine parameters simultaneously in a single panel unit as part of the 155-2554 instrument panel assembly.

CAT 3512Contact for wholesale

166-9145

GasketCaterpillar

Cylinder Block Gasket

Cylinder block gasket for Caterpillar C32 V12 marine and industrial diesel engine. Seals the cylinder block mating surface.

CAT C32Contact for wholesale

167-1177

Pilot ValveCaterpillar

Pilot Valve

Hydraulic pilot valve (VALVE GP-PIL) for the Caterpillar D6R II track-type tractor. Controls pilot pressure signals to the main hydraulic control valve system.

CAT D6RContact for wholesale

167-1709

SensorCaterpillar

Oil Pressure Sensor

Oil pressure sensor (GP-PRESSURE) for Caterpillar equipment fitted with 3116, 3126, 3408E, 3412E, C30, and C32 engines. Also used on off-highway trucks, wheel loaders, and motor graders.

CAT 5110B+4Contact for wholesale

168-0480

BearingCaterpillar

Sleeve Bearing

Straight sleeve bearing (bushing) for Caterpillar backhoe loaders including the 444F, 432F, 434E, 434F, 442D, and related 4-series models. 58mm OD, 45mm ID, 37mm length. Supports pin joint rotation in boom and bucket linkage.

CAT 444FContact for wholesale

168-1916

Slip JointCaterpillar

Slip Joint

Slip joint driveshaft assembly for the Caterpillar 992K large wheel loader driveline, allowing axial movement in the propeller shaft while transmitting torque between the transmission and axle.

CAT 992KContact for wholesale

168-4332

PinCaterpillar

Pin assembly for the Caterpillar 988H large wheel loader, used in bucket or linkage pin joints.

CAT 988HContact for wholesale

168-4540

PistonCaterpillar

Piston Crown

Piston crown assembly for Caterpillar 3406C engine, also fitted to D8N, D8R, D8R II track-type tractors and 980C/980G wheel loaders. The piston crown is the combustion face of the piston that withstands cylinder pressure and heat.

CAT D8RContact for wholesale

168-7224

PinCaterpillar

Piston Pin

Piston pin (wrist pin) 40×90mm for Caterpillar 3126 and 3126B diesel engines. Connects the piston to the connecting rod, allowing the rod to pivot during the crank cycle.

Contact for wholesale

169-3345

AlternatorCaterpillar

Alternator

Alternator for the Caterpillar 3412C engine, providing electrical power to charge batteries and power onboard systems.

CAT 3412CContact for wholesale

169-4160

Planetary GearCaterpillar

Planetary Gear

Planetary drive pinion gear for Caterpillar backhoe loaders fitted with the 3054 engine. Used in the axle or transmission planetary reduction assembly.

CAT 416C+7Contact for wholesale

169-5534

HousingCaterpillar

Housing

Final drive housing for the Caterpillar 345D large hydraulic excavator. Part of the travel/final drive assembly that encloses the planetary reduction gears.

CAT 345DContact for wholesale

169-5548

Swing GearboxCaterpillar

Swing Gearbox Assembly

Swing Gearbox Assembly for Caterpillar, fits CAT E311C.

CAT E311CContact for wholesale

169-5549

Swing GearboxCaterpillar

Swing Reduction Gearbox

Swing reduction gearbox for Caterpillar E311C, E312, and E312B excavators, transmitting torque from the swing motor to the upper-structure slewing ring.

CAT E311C+2Contact for wholesale

169-6446

PinCaterpillar

Pin for Caterpillar equipment.

Contact for wholesale

169-6924

GearCaterpillar

Gear

Gear for Caterpillar equipment.

Contact for wholesale

170-2512

SwitchCaterpillar

Toggle Switch

Toggle switch (SWITCH GP-TOGGLE) for the Caterpillar 320D, 323D, 324D, and 315D L excavator series. Part of the cab electrical control system for operator-selectable functions.

CAT 320DContact for wholesale

170-5183

Fuel InjectorCaterpillar

Fuel Injector

Diesel fuel injector for Caterpillar 3304 and 3306 engines, used in excavators, motor graders, and wheel loaders of that era.

CAT 3304+7Contact for wholesale

170-5187

Fuel InjectorCaterpillar

Fuel Injector

Diesel fuel injector for the Caterpillar 3406 and 3406B engines. Several interchangeable part numbers exist for this injector.

CAT 3406+1Contact for wholesale

170-8592

PinCaterpillar

Pin for Caterpillar D6T and D6R Series III bulldozers, used in undercarriage, blade, or linkage pin joints.

CAT D6T+1Contact for wholesale

170-8873

Swing GearboxCaterpillar

Swing Reduction Gearbox

Swing reduction (slew) gearbox for Caterpillar E305 and E306E2 mini excavators, providing gear reduction between the swing motor and the upper structure.

CAT E305+1Contact for wholesale

171-0802

HoseCaterpillar

Hydraulic Hose

Hydraulic hose for the Caterpillar D9R large bulldozer hydraulic system.

CAT D9RContact for wholesale

171-5825

SealCaterpillar

Duo-Cone Seal

Duo-cone floating seal assembly (GP-DUO-CONE) for the Caterpillar 365C large excavator undercarriage, providing a self-cleaning metal-face seal for track rollers and idlers.

CAT 365CContact for wholesale

171-6757

PinCaterpillar

Pin for the Caterpillar 988H large wheel loader, used in bucket or boom linkage joints.

CAT 988HContact for wholesale

171-8708

SwitchCaterpillar