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Caterpillar Parts for Excavators & Heavy Equipment  OEM Quality Cat Spare Parts

Caterpillar is the world's most recognized name in heavy construction and mining, trusted by operators running excavators, bulldozers, graders, and loaders on demanding job sites worldwide. At Imara Engineering, we supply a full range of Caterpillar parts built to OEM specifications, so your machine always gets what it was engineered to run on.

Downtime on a CAT machine is not just an operational inconvenience; it is a direct cost to your project timeline and profitability. At Imara Engineering, our supply chain is built specifically around the requirements of heavy equipment operators who cannot afford delays, incorrect fitment, or substandard components. Here is what defines our service: model, every component we stock is verified and quality-checked before dispatch. Orders ship globally with fast lead times, keeping your fleet productive. Imara Engineering stocks Caterpillar spare parts alongside other machinery brands, including Komatsu, Hitachi, Volvo, Hyundai, JCB, and Kobelco.

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1842 products

Position Sensor 266-1467 2661467 for Caterpillar Equipment

Position Sensor 266-1467 2661467 for Caterpillar Equipment

Regular price $161.00
Sale price $161.00 Regular price
Hydraulic Main Relief Valve 310-0395 306-4599 for CAT E320B E330C E320C Excavator

Hydraulic Main Relief Valve 310-0395 306-4599 for CAT E320B E320C E330C – Excavator

Regular price $106.00
Sale price $106.00 Regular price
ECM Controller 172-9389 1729389 10R-4332 for CAT 953C 140H

Loaders

ECM Controller 172-9389 / 10R-4332 for CAT 953C 140H – Track Loader / Motor Grader

Regular price $2,039.00
Sale price $2,039.00 Regular price
Solenoid Valve 500-2253 for Caterpillar – Bulldozer

Solenoid Valve 500-2253 for Caterpillar – Bulldozer

Regular price $135.00
Sale price $135.00 Regular price
Water pump 212-8177 416-0610 for Caterpillar
Water Pump Seal 336-2212 for Caterpillar C15 C18

Water Pump Seal 336-2212 for Caterpillar C15 C18

Regular price $110.00
Sale price $110.00 Regular price
Water Temperature Sensor 2644297 for CAT 330D 325D

Water Temperature Sensor 264-4297 2644297 for Caterpillar E325 Excavator

Regular price $55.00
Sale price $55.00 Regular price
Pulley GP-Idler 3054908 for Caterpillar 320C 320D

Pulley GP-Idler 3054908 for Caterpillar 320C 320D – Excavator

Regular price $142.00
Sale price $142.00 Regular price
Pressure Sensor GP 3447392 for Caterpillar – Excavator

Pressure Sensor GP 3447392 for Caterpillar – Excavator

Regular price $135.00
Sale price $135.00 Regular price
Speed Sensor 318-1181 for Caterpillar E330 M325D – Excavator

automotive

Speed Sensor 318-1181 for Caterpillar E330 M325D – Excavator

Regular price $138.00
Sale price $138.00 Regular price
Strip-Wear 3086303 for Caterpillar 16M – Motor Grader

Strip-Wear 3086303 for Caterpillar 16M – Motor Grader

Regular price $117.00
Sale price $117.00 Regular price
Motor Grader Plunger 1W6541 for CAT 120G 130G 160H – Grader

Motor Grader Plunger 1W6541 for CAT 120G 130G 160H – Grader

Regular price $139.00
Sale price $139.00 Regular price
Spider and Coupling Assembly 6H2577 for CAT 950 – Loader

Spider and Coupling Assembly 6H2577 for CAT 950 – Loader

Regular price $55.00
Sale price $55.00 Regular price
Engine Piston 1W6757 for CAT 3306 Engine – Spare Parts

Engine Piston 1W6757 for CAT 3306 Engine – Spare Parts

Regular price $81.00
Sale price $81.00 Regular price
Engine Crankshaft 364-2829 330-1736 for CAT C4.4 – Excavator

Engine Crankshaft 364-2829 330-1736 for CAT C4.4 – Excavator

Regular price $1,085.00
Sale price $1,085.00 Regular price
Solenoid Valve 1211491 1211491 for Caterpillar Excavators

Solenoid Valve 1211491 1211491 for Caterpillar Excavators – CAT Excavator

Regular price $122.00
Sale price $122.00 Regular price
Piston Set 6E1279 for CAT Motor Grader Piston Pump

Piston Set 6E1279 for CAT Motor Grader Piston Pump

Regular price $182.00
Sale price $182.00 Regular price
Piston Ring 1W8922 for Caterpillar CAT 3306D 3406DI C7

Piston Ring 1W8922 for Caterpillar CAT 3306D 3406DI C7 – Engine

Regular price $90.00
Sale price $90.00 Regular price $656.00

Collection: Caterpillar Parts

Why Source Your Caterpillar Parts from Imara Engineering?

  • OEM-grade quality assurance: Every caterpillar part we supply, whether genuine, OEM, or high-quality aftermarket, is assessed against manufacturer tolerances. You receive components that fit, perform, and hold up under load.
  • Verified supplier network: We source exclusively from a controlled network of approved manufacturers and distributors. This eliminates grey-market risk and gives you full traceability from factory to field.
  • Global shipping capability: Caterpillar parts online orders are dispatched worldwide. Whether your equipment is running in Australia, the USA, Canada, Southeast Asia, or Africa, we ship to your location with competitive lead times and full tracking.
  • Serial-number fitment verification: Our team cross-references every cat spare parts order against machine serial numbers and model configurations to confirm compatibility before a single component leaves our warehouse.
  • Full-range inventory depth: From filters, seals, and ground-engaging tools through to hydraulic motors, undercarriage assemblies, and engine components, we carry the breadth of cat parts for sale that a serious operation demands.

Caterpillar Parts by Equipment Type

Caterpillar manufactures one of the broadest heavy equipment portfolios in the construction and mining industry. Imara Engineering carries caterpillar spare parts across every major machine category. The sections below outline each equipment line we cover, the component ranges stocked, and the model series applicable to these as a guide to navigate directly to the parts your machine requires.

Caterpillar Excavator Parts

Caterpillar excavators from compact units through to large mining-class machines are among the most widely operated CAT products globally, and consequently one of the highest-demand categories in our inventory. Imara Engineering stocks Caterpillar excavator parts covering the full component spectrum: undercarriage assemblies, hydraulic pumps and motors, swing bearings, final drives, track shoes, rollers, idlers, sprockets, boom and arm pins, and engine-related service items.

We carry parts for the 300 series excavator range, including CAT 320, 323, 330, 336, 352, and 390 models, as well as Caterpillar Bulldozer Parts.

CAT track-type tractors the D4, D5, D6, D7, D8, D9, D10, and D11 series are amongst the most demanding machines on any fleet in terms of component wear rate. These machines run continuously in hard-dig and push applications, placing intense stress on undercarriage, final drives, and cutting edges. Imara Engineering supplies Caterpillar dozer parts, including track shoe assemblies, track links, cutting edges, end bits, push arms, ripper assemblies, final drive components, and undercarriage wear items across the full dozer range.

Caterpillar Wheel Loader Parts

Caterpillar wheel loaders operate in high-cycle load-and-carry environments that generate significant wear across powertrains, axles, bucket assemblies, and hydraulic systems. Imara Engineering stocks Caterpillar loader parts, including transmission components, torque converters, axle differentials, bucket cutting edges and teeth, hydraulic cylinders, steering linkage, and wear plates. Our inventory covers the 950 through to the 994 class loaders, with both standard maintenance-cycle parts and structural components available.

Caterpillar Motor Grader Parts

Precision is the defining requirement of a motor grader, and any worn component in the circle, blade, or drawbar system directly undermines grading accuracy and drives up rework costs. Imara Engineering carries caterpillar grader parts, including moldboard assemblies, circle gears, circle drives, drawbar components, scarifier teeth, cutting edges, and end bits for the 12M, 14M, 16M, and 24M series. We supply both the routine wear items consumed in high-use grading operations and the structural components needed for longer-interval rebuilds.

Caterpillar Articulated Truck Parts

The 725, 730, 740, and 745 CAT articulated trucks operate in high-cycle haul applications that place extreme demands on chassis joints, suspension systems, drivetrain components, and braking assemblies. Imara Engineering stocks Caterpillar articulated truck parts covering hinge and frame assemblies, suspension cylinders, planetary final drives, differential components, body wear liners, and hydraulic hoist systems. All parts are supplied with a model and serial-number cross-reference to confirm the correct specification is matched to your truck configuration.

OEM, Genuine, or Aftermarket: Choosing the Right Caterpillar Part

This is one of the most practical decisions a fleet manager or workshop supervisor makes when sourcing Caterpillar parts online, and it is a question Imara Engineering takes seriously enough to answer honestly rather than generically.

Genuine CAT Parts

Genuine cat parts carry Caterpillar's own brand and manufacturing traceability. They are produced to exact drawing tolerances, tested against the original equipment specification, and backed by OEM warranty terms. They are the right choice for:

  1. Safety-critical structural components
  2. Engine assemblies — injectors, pistons, cylinder heads, and bearings
  3. Hydraulic pump and motor internals where dimensional precision is non-negotiable
  4. Electronic control modules and sensors

OEM Caterpillar Parts

OEM Caterpillar parts are manufactured by the same supply-chain factories that produce components for Caterpillar's own assembly lines — just without the CAT branding applied. The specification is equivalent, the tolerances are identical, and the price point is more competitive. For most mechanical applications, OEM Caterpillar parts deliver full performance at lower cost.

Aftermarket Caterpillar Parts

High-quality aftermarket cat parts represent the most cost-effective choice for wear-intensive, high-consumption components where replacement frequency is the primary cost driver. Appropriate applications include:

  1. Filters — oil, air, fuel, and hydraulic service intervals
  2. Undercarriage wear parts — track shoes, rollers, idlers, and sprockets
  3. Ground-engaging tools — bucket teeth, cutting edges, and end bits
  4. Gaskets, seals, and O-ring kits

At Imara Engineering, all three categories are stocked with clear product grading and application guidance. Aftermarket does not mean inferior; it means value-matched to the component's role in the machine.

How to Order Caterpillar Parts Online from Imara Engineering

Whether you are placing a routine maintenance order or sourcing parts for an emergency breakdown, the process at Imara Engineering is designed for speed and accuracy.

  1. Locate your CAT serial number: This is typically stamped on the machine frame, cab door, or engine block. Your model designation and serial range determine the exact specification of parts required.
  2. Search by part number or component description: If you have the OEM part number from a service manual, use it for a direct match. If not, our team cross-references against your serial number.
  3. Select your specification tier: Choose between genuine cat parts, OEM Caterpillar parts, or aftermarket options based on the component type and your budget parameters.
  4. Place your order: Buy cat parts online directly through our collections, or contact our parts team for high-volume, urgent, or complex multi-line orders.
  5. Receive your shipment globally: All caterpillar parts for sale through Imara Engineering are dispatched with tracking and freight documentation for international customers.

Our cat parts store carries ready-to-ship stock on the highest-turnover wear items, service components, and filter sets. For non-stocked or specialty components, sourcing timelines are confirmed at order placement.

Frequently Asked Questions

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