CAT Engine Spare Parts

Caterpillar (CAT)

Caterpillar Inc. is a global leader in heavy machinery and engine technology, known for robust engineering, performance under pressure, and a strong global support network. CAT engines power a wide range of equipment used in construction, marine, power generation, and industrial sectors worldwide.

At AMS Parts, we supply genuine and OEM Caterpillar engine parts tailored to your specific model and serial number. Whether you are overhauling a C7 generator set or maintaining a 3516 marine engine, we provide the components you need — with precision, reliability, and expert support.

Supported Caterpillar Engine Series

We cover a comprehensive range of CAT engine platforms across diesel and gas applications:

Popular Engine Families

• 3000 Series: 3024C, 3034, 3046, 3054, 3056, 3064, 3066
• 3100 Series: 3114, 3116, 3126
• 3200 Series: 3204, 3208
• 3300 Series: 3304, 3306
• 3400 Series: 3406, 3408, 3412, 3416
• C Series:
  • C1.1 to C7.1: C1.5, C2.2, C3.3, C4.4, C6.6, C7.1
  • C9 to C18: C9, C11, C12, C13, C15, C18
  • C27 / C32 – High-power industrial, marine & gen-set engines
• 3500 Series: 3508, 3512, 3516 – used in marine, mining, power gen
• 3600 Series: 3612, 3616 – large engines for heavy-duty marine & industrial use

Power Generation Engines

Caterpillar diesel and gas engines are widely used in prime and standby generators, CHP systems, and offshore installations.

Common generator engine models we support include:

• C7.1, C9, C13, C15, C18
• 3508B, 3512B, 3516B
• C27, C32, C175
• G Series: G3304, G3412, G3516 (Gas engines for CHP)
• CM32, CM43 (Large engine range available on request)

Marine Engines (Auxiliary & Propulsion)

We support marine diesel CAT engines used for both propulsion and onboard auxiliary power:

• C7.1, C9.3, C12.9, C18 ACERT
• C32 ACERT – marine propulsion
• 3500 Series Marine: 3512C, 3516B, 3516E
• 3600 Series: 3612, 3616 – marine generator and main propulsion
• MaK Range (e.g., M20, M25, M32, M43) – available on request

Applications include tugs, ferries, offshore supply vessels (OSV), bulk carriers, and fishing boats.

Parts We Supply

We offer a full range of genuine and OEM Caterpillar parts, including:

• Complete Engine Overhaul Kits
• Pistons, Liners, Rings, Bearings
• Turbochargers (e.g., 49179-xxxxx, 465088-xxxx)
• Fuel Injectors, Fuel Pumps
• Cylinder Heads, Gaskets & Seals
• Oil, Water, and Fuel Pumps
• Sensors, Switches, Solenoids
• Camshafts, Crankshafts, Timing Gears
• Valve Train Components
• Control Panels & Marine Electronics
• Filters – Oil, Fuel, Air, Hydraulic
• Preheaters, Thermostats, Thermo Switches

All parts are matched to the engine serial or arrangement number to ensure perfect fit and performance.

Applications We Support

AMS Parts supplies Caterpillar engine parts for:

• Diesel Generator Sets (Standby, Prime, CHP)
• Marine Propulsion & Auxiliary Engines
• Industrial Engines & Power Units
• Drilling Rigs & Oilfield Equipment
• Gas Compression & Landfill Engines

Genuine & OEM Only – No Aftermarket

AMS Parts does not offer aftermarket components. We only supply genuine and OEM-grade CAT parts, ensuring performance, compliance, and engine longevity — trusted by service engineers, marine operators, and plant managers across the UK and internationally.

Need parts for a specific CAT engine? Contact AMS Parts for quotes matched to your engine’s serial number or application.