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New surplus and good used Caterpillar engine and generator parts

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WPP is pleased to offer another value-added service to our customers – new surplus, rebuilt and good used parts for diesel and natural gas engines. SAVE UP TO 70% OFF CAT RETAIL PRICING!

We have thousands of Caterpillar parts in stock and ready to ship from Houston, TX. We also carry other major manufacturers parts including Cummins, Isuzu, Waukesha, HIPOWER, Marelli, Detroit Diesel, MTU, Woodward, Deep Sea and more!

Aftercoolers	Camshaft	Controls	Crankshaft	Cylinder Block
Cylinder Head	Flywheels	Gears	Housing	Manifold
Oil Pans	Pumps	Turbochargers	Miscellaneous

All parts are thoroughly inspected, cleaned and ready to install, saving you and your customers time and money. And, as members of a world-wide parts search network, if we don’t have what you need in our inventory, we can locate it for you fast!

Contact us or email us directly at parts@wpowerproducts.com for all your Caterpillar engine parts needs. We’ve also put together a generator parts glossary to help you learn what’s what.

CAT 3512, 3516 Throttle AS, P/N 241-6968

CAT C15 Turbo GP, P/N 240-0003

CAT 3516B Shield AS, P/N 232-4445

CAT G3412 Body Oil Pump, P/N 232-1606

CAT C15 Bonnet, Oil Cooler, P/N 229-2282

CAT 3500 Housing Flywheel, P/N 7W-6444, 526-0837

CAT G3408, Support, P/N 7N-9077

CAT 3516B Camshaft Front LH, P/N 127-8262, New Takeoff

CAT 3512 Camshaft, P/N 127-5410

CAT 3512 Flange, P/N 126-5613

CAT 3500 Elbow, P/N 7N-4930

CAT 3500 Housing, P/N 7W-3376, 102-8634

CAT 3500 Coupling Outer, P/N 5N-3284

CAT 3500 Coupling, P/N 3N-6666

CAT 3512 Core, Oil Cooler, P/N 4W-4980

CAT C15 Oil Cooler Core AS, P/N 133-0125

PSI D081L, Cooler Oil, P/N 612164

PSI D081L, Case Timing Gear, P/N 610023

CAT C3512 Pipe, P/N 2W-9585

CAT C12 Fuel Cooler Core AS, P/N 129-5429 New

CAT 3512 Manifold Air, P/N 107-6749

CAT 3512 Elbow Exhaust, P/N 140-0407

CAT 3512 Bracket, P/N 111-0349

CAT 3512 Housing AS, P/N 169-8612

CAT 3512 Housing, P/N 111-9375

CAT 3512 Cylinder Block, P/N 115-5154, 353-3970, Rebuild

CAT 3500, Housing Regulator, P/N 107-5862

CAT 379, 398, 399, Rod, P/N 1P-0009

CAT 3512, 3516 Elbow, P/N 143-9207

CAT 3512, 3516 Pipe, P/N 121-3342

CAT Control G, P/N 101-0225

CAT 3520 Crankshaft, P/N 322-9885, 315-1391

CAT 3500, Shutoff GP, Air, P/N 458-0425 New Take Off

CAT 3512, 3516, Pipe, P/N 2W-9584

CAT 3500 Elbow, P/N 9Y-8264

CAT 3512, 3516 Adapter, P/N 114-5275

CAT 3500 Adapter, P/N 151-4941

CAT 3520 Cylinder Block, P/N 148-4511

CAT 3520 Cylinder Block, P/N 148-4511, Rebuilt

CAT 3516 3520, Elbow, P/N 151-6454

CAT 3516 3520, Control GP Electronic, P/N 348-2392

CAT 3500 Adapter, P/N 7N-6959

CAT 3512 3516 Elbow Exhaust, P/N 135-6912 New Take Off

CAT 3412 Pipe, P/N 6N-1615

CAT 3500 Marine, Water Pump, P/N 144-6080, 318-2579, New Take Off

CAT 3500 Tank-Expansion, P/N 438-8489, New Take Off

CAT C9, C10, C12 Flywheel, P/N 4P-8502

CAT C10, C12 Housing GP Engine Brake, P/N 126-0158

CAT 3500 Support Engine Outer, P/N 8N-1287

CAT 3412, Cylinder Head/Loaded, P/N 108-1887, Rebuilt

CAT 3512, 3520, Cartridge, P/N 311-3198

CAT 3406, Fuel Injection Pump, P/N 4P-1366

CAT 3500, Cleaner, P/N 141-7959

CAT 3412, Flywheel, P/N 7W-1250

CAT C15, Cylinder Head, P/N 223-9250

CAT 3516, Housing-Turbo, P/N 7E-2744

CAT G3516, Manifold (RH), P/N 4W-2506

CAT 3512, 3516, Shaft, P/N 102-9453

CAT 3500, Flywheel AS, P/N 7N-5014

CAT 3408, 3412 Manifold, P/N 7N-3175

CAT 3412 Base AS Oil Filter, P/N 4N-2304

CAT 3516 Turbo GP-BAS, P/N 141-2439

CAT 3408 Flywheel, P/N 7N-2859

CAT 3520 Crankshaft, P/N 322-9885, 315-1391, Std/Std Polished

CAT 3500 Housing Upper, P/N 4P-1523

CAT C12 Housing Flywheel, P/N 148-1973

CAT 3512, 3516 Cooler GP, P/N 139-5657, New Take-off

CAT 785B Oil Pan, P/N 133-5974

CAT 3516 Cover, P/N 200-6543

CAT 3412 Housing, P/N 8N-2705

CAT 3512 Oil Pan, P/N 133-5981, 387-8513

CAT 3500, Housing Flywheel, P/N 416-9983, 4P-5490

CAT 3512, Manifold Inlet, P/N 7C-9086

CAT G3412 Housing Rear, P/N 4W-0465

CAT G3412 Housing Front, P/N 4W-0541

CAT 3512 Housing Lower, P/N 4P-1524

CAT 3412 Pump GP, Aux, P/N 434-4288

CAT 3412 Exhaust Bellow AS, P/N 214-6045

CAT G3412, Cover, P/N 4P-7532

CAT C15, C18, Core AS Oil Cooler, P/N 7C-0145, New Takeoff

CAT 3408, Cover, P/N 163-6116

CAT G3512, Regulator, P/N 7E-8190

CAT 3408 Oil Pan, P/N 8N-4595

CAT 3412 Elbow, P/N 4W-9609

CAT 3412 Pipe, P/N 2W-0383

CAT 3500 Elbow, P/N 1N-4087

CAT 3500 Fan Guard, P/N 1W-4923

CAT 3512 Turbo GP-Bas, P/N 287-7214

CAT 3512 Housing AS-F, P/N 278-1776

CAT 3512 Shutoff GP-B, P/N 230-6310, 288-2763

CAT 3512 Shutoff GP-B, P/N 230-6309, 288-2762

CAT 3512 Pipe-Air, P/N 122-3378

CAT 3412 Support AS, P/N 9Y-6393

CAT 3516, 3520 Throttle, P/N 20R-3107, 362-6537

CAT 3408, 3412 Cleaner GP-A, P/N 163-0820, New

CAT 3512, 3516 Alternator GP – Charging, P/N 249-0313, New

CAT C15, C18 Harness AS, P/N 501-3805, New

CAT C15, C18 Water Pump, P/N 336-2213

CAT 3520 Housing, P/N 200-6546

CAT 3520 Housing AFTC, P/N 200-6545

CAT 3520 Elbow-Water, P/N 562-9197

CAT 3520 Support, P/N 235-3972

CAT 3520 Housing, P/N 136-3271

CAT 3520 Housing, P/N 136-3261

CAT 3520 Turbocharger GP Bas, P/N 254-0789, 435-1318

CAT 3520 Cover Valve, P/N 244-5626

CAT 3520 Elbow AS, P/N 240-7054

CAT 3520, Manifold Exh RH, P/N 200-6552

CAT 3520, Manifold Exh LH, P/N 200-6551

CAT 3520, Tube, P/N 200-6434

CAT 3520, Gear, P/N 115-5277

CAT 3520, Cleaner, P/N 9Y-8829

CAT 3520, Adapter, P/N 1N-3482

CAT, 3516 Cylinder Block, P/N 115-5160, 353-3971, Rebuilt/Sprayed

CAT 3500, Bellow, P/N 207-1331, New Take-off

CAT 3520, Housing, P/N 102-8634

CAT 3520, Elbow, P/N 203-7072

CAT 3500 Gear, P/N 7N-5875, New Take-off

CAT 3500 Gear, P/N 7N-5248, New Take-off

CAT 3520, Grid, P/N 445-5974

CAT 3520, Support, P/N 265-5223

CAT 3520, Support, P/N 235-3958

CAT 3520, Elbow, P/N 226-7580

CAT 3520, Adapter, P/N 235-5535

CAT 3520, Elbow, P/N 230-3411

CAT 3520, Elbow Outlet, P/N 247-9956

CAT 3520, Flywheel, P/N 243-3219

CAT 3520, Damper, P/N 171-4571

CAT 3512, 3516, Alternator GP-Charging, P/N 169-3345, New Take-off

CAT C11, C13, C15, C18 Fan, P/N 4N-3092

CAT C12, Housing Flywheel, P/N 124-5041

CAT Satellite Receiver GP, P/N 450-6212

CAT 3508, 3512, 3516, Gear, P/N 7N-6984

CAT 3508, 3512, 3516, Elbow, P/N 160-0122

CAT 3508, 3512, 3516, Control GP EMCP, P/N 144-1623

CAT 3508, 3512, 3516, Housing Oil Filter By-Pass, P/N 4W-6387

CAT Fuel Filter Element, 3606, 3608, 3612, 3616, P/N 119-8901, New

CAT 3516, Support Oil Filter, P/N 8N-9482

CAT 3512, Air Cover, P/N 111-2077

CAT 3512, Air Shutoff, P/N 272-7095, 557-9396

CAT 3512, Pipe, P/N 122-3377

CAT 3512, 3516, Housing AS, P/N 278-1082, 203-2158

CAT C13, Base Valve Cover, P/N 365-1208

CAT 3412, 3512, 3516, Carburetor AS P/N 100-7478

CAT 3516, Housing AS, P/N 128-5423

CAT 3408, Base AS, P/N 4W-6822

CAT 3408 Cylinder Head, P/N 206-7748

CAT 3412 Gear, P/N 271-5656

CAT 3408, 3412 Flywheel, P/N 7W-3499

CAT 3516 Turbocharger, P/N 276-8957, NEW TAKEOFF

CAT 3516 Housing Aftercooler, P/N 128-5424

CAT 3520 Crankshaft, P/N 322-9885, 315-1391, Std/Std Polished

CAT 3520 Cylinder Block, P/N 148-4511

CAT 3500 Cylinder Heads Loaded, P/N 201-4257, 335-6220, Rebuilt

CAT3512 Oil Pan, P/N 229-8877, NEW Take Off

CAT C27, C32 Housing Flywheel, P/N 357-6883 NEW Take-off

CAT Damper – Used – P/N 146-3740

Caterpillar Housing – Used – P/N 4W-6114

Caterpillar C12 Block – P/N 200-2052

CAT 3406 Cylinder Block – P/N 8N-9267, 108-3916

CAT Regulator, Coolant Temperature – P/N 248-5513, NEW

CAT “NEW” Bearing-Sleeve – P/N 1161365

CAT Gauge Indicator Temperature – P/N 4W2683 – New

CAT “NEW” Gauge Indicator Temperature – P/N 3E7236

CAT 3408 Cover – P/N 2W0195

CAT Control GP – P/N 2050628

CAT Pyrometer – Module Exhaust Temperature – P/N 251-9430 – 351-4880

CAT 3408 Camshaft – P/N 4P6895

CAT Actuator – P/N 118-7590

Mark VX Automatic Voltage Regulator

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CAT C12 Crankshaft – Used – P/N 116-1072

Bosch Fuel Pump for Cummins QST30 – G5

CAT Air Filter – P/N 142-1339, New

CAT Air Filter – P/N 6I-0273, New

CAT Fuel Filter Base – P/N 177-9778

CAT C11, C15, C18 Fuel / Water Separator Filter w/ Base – P/N 326-1643 + 177-9778

CAT Filter Fuel/Water Separator, P/N 326-1643, New

CAT Air Cleaner GP Housing – P/N 8N-3378

Cat 3500 Cylinder Head GP, P/N 4W-0095 – Loaded

MCCB 400A Breaker

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CAT 3512 Crankshaft, P/N 128-6786, STD/STD

CAT 3516 Oil Pan – P/N 228-8928

Caterpillar 3516 Cylinder Block – Core – P/N 1155160

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Woodward Load Sharing Module P/N 202-4869 – New

CAT C18 Turbo – P/N 238-5105 – Rebuilt

CAT 3412, Aftercooler, P/N 115-5245, Rebuilt

Cat C32, Camshaft, P/N 233-9185, Reconditioned

800A Breaker – Westinghouse MA Series

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CAT 3508, 3512, 3516 Housing, P/N 9Y-4090

CAT 3508, 3512, 3516, Regulator Housing, P/N 9Y-8540

Good Used Exhaust Elbow Part# 195-5218

CAT 3512B/3516B, Throttle, P/N 460-2083, New

CAT 3508, 3512, 3516 Oil Pump, P/N 4P5638, Used

3516 marine heat shield lot – new surplus

CAT C15, C18 Spider 43″ Fan, P/N 6N-2687

CAT 3412, Oil Pan, P/N 7E-4196 New Take-off

CAT Alternator, P/N 306-2174, 215-5568 New

CAT 3508, Oil Pan, P/N 229-9545, New Take Off

CAT 3512 or 3516 Water Pump, P/N 416-0613, New Take Off

CAT C13, Turbocharger, P/N 295-7951, New Take Off

CAT 3412, Turbocharger, P/N 144-4568, New Take Off

Deep Sea 890 Modum

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Deep Sea 2131 I/O Communication Module

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Deep Sea 7310 MKII Auto Start Control Panel

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CAT 3516, Camshaft RH, P/N 7C-2049, Reconditioned

CAT 3516, Camshaft LH, P/N 7C-2054, Reconditioned

Permanent Magnet Generator (PMG Exciter) P/N M00FA000A

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CAT 3512, 3516, Water Pump, P/N 416-0610, Rebuilt

CAT 399, 398, 379 Aftercooler – P/N 3N-4366, Rebuilt

Rebuilt Caterpillar 6.25 Bore Aftercooler Core P/N 3N4365

CAT 3500B Marine Auxiliary Water Pump, P/N 4W6674, New

CAT, 3406B, Cylinder Block – P/N 8N-9267, 108-3916, Rebuilt

CAT Air Starter (Ingersoll Rand SS815R), P/N 4W-5107, NEW Take Off

Rebuilt Caterpillar 3412DI Cylinder Heads P/N 4W7007

New Caterpillar EMCPII Control Panel p/n 144-1623

CAT, C9, Air Starter, P/N 246-3274, NEW

CAT 3412 Load Sharing Module (Woodward) 2301A, P/N 161-0797, 309-1583, NEW

New 8″ Single Stage Gas Scrubber

Centamax 18000 Flex Coupling

CAT 3508, 3512, 3516 Adapter, Exhaust Fitting – p/n 137-5556, New

Square D LG 400 Amp Circuit Breaker, P/N 102563, NEW

New C9 Pump Drive Kit – p/n 215-3815

New Caterpillar C9 Turbo 300 HP 3584923

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This website page is dedicated to our Parts division’s first employee, an industry pioneer and all-around amazing person, Becky Sossaman Smith.

RIP, Becky. The “Queen of Caterpillar Parts”. 1952 – 2019

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