Aftermarket Engine Parts & Components

High quality aftermarket fuel banjo bolt set, includes: x4 Banjo bolts UK, European and Worldwide shipping available.

Delphi fuel filter - equivalent to Perkins OE Part No. 4326658 (supersedes 26561117) Cartridge type fuel filter (diameter 88 mm). Fits within the f...

A very comprehensive set of aftermarket gaskets and seals for the top end of Perkins 4.203. Note that Perkins made two distinct versions, with earl...

Aftermarket Perkins 4.203, D4.203 & 4.203.2 bottom gasket and seals set, a very comprehensive set of quality gaskets and seals for the bottom e...

Well engineered Perkins 4.203 aftermarket water pumps offering excellent value. Choose from either option A or B. Includes: x1 Water pump x1 Water...

Aftermarket Perkins 4.203 lift pump - there are three types of lift pump used on these engines: The 'two bolt early' lift pump fits all but the ve...

Quality aftermarket Perkins 4.203 series Thermostat with 82°C thermostat to open. Main diameter 54 mm, thermostat includes jiggle pin. Equivalen...

A quality aftermarket set of gaskets and seals to overhaul your Perkins 4.203 CAV DPA fuel pump. We stock both options for either the mechanically...

Quality aftermarket Perkins 4.203 12v heater plug (thermostat). It can be supplied with either the 'spade' or alternative 'screw' type electrical c...

Aftermarket Perkins D4.203 Oil Dip Stick, details: Length from inside tube cover cap to bottom of stick 19cm For build codes Beginning JE UK...

Aftermarket Water temperature sender that fits early Perkins 4.203 engines. Details: Spade type electrical connection 12v or 24v systems. Supplied...

Quality aftermarket Perkins 4.203 Rear crankshaft oil seal. Equivalent to Perkins Part No. 2418F475 UK, European and Worldwide shipping available.

A very comprehensive aftermarket overhaul kit which includes the major components that you will need to overhaul your tired and smoking Perkins 4.2...

A set of 4 aftermarket Perkins 4.203 Crankshaft Thrust washers (Standard size) To fit the following versions 4.203, D4.203 and D4.203.2 UK, E...

High quality, aftermarket 12V earth return starter motor for Perkins 4.203. Fits all 'three lug' versions (including marine). 12V 2.8kW Fits build...

An aftermarket Perkins 4.203 sump bolt. Details: To fit all sumps drilled to take a parallel thread (the majority) sump drain bolt Diameter across...

A quality set of aftermarket main bearings for Perkins 4.203 engines. Available in the following sizes: Standard -0.010" -0.020" -0.030" ...

A quality set of aftermarket Perkins 4.203 connecting rod (big-end) bearings with sintered aluminium bearing faces. To fit all versions of the 4.20...

Quality, aftermarket Perkins 4.203 Rocker arm details: Right and left version available To fit engine versions with a build code beginning (JD)...

High quality aftermarket Perkins 4.203 alternators 12V to fit all versions of these engines set up for a 'three lug' mounted alternator. The adjust...

Perkins 4.203 oil pump to fit all 4.203 engines, direct and indirect injection. These aftermarket oil pumps are very well engineered and excellent...

A very comprehensive aftermarket overhaul kit which includes the major components that you will need to overhaul your tired and smoking Perkins 4.2...

Quality aftermarket oil filler cap. There are two sizes used on Perkins 4.203. The larger cap fits factory marinized version, whilst the smaller ca...

Quality aftermarket coolant drain tap for this Perkins 4.203 engine. Equivalent to Perkins 31419 Details: Fully machined from solid brass. These d...

Our standard aftermarket single spade oil pressure switch fits Perkins 4.203 that take an earth supply from the engine block. It has a tapered scre...

A high quality aftermarket pre-filter / water separator / fuel filter for Perkins 4.203 with re-usable internal gauze strainer and glass bowl. This...

Quality aftermarket Perkins 4.203 cylinder head assembly, direct injection version, comes complete with the following: Inlet and exhaust valves ...

An aftermarket starter/ignition switch for Perkins 4.203 engines, we offer two switch options, which have either 4 pin or 6 pin electrical connecti...

Quality aftermarket Perkins 4.203 cylinder head assembly, this is for indirect injection versions. Details: Complete with Inlet and exhaust valves...

Aftermarket replacement fuel filter assembly for Perkins 4.203 engines. Fuel filter housing with 1/2" UNF original fittings, designed as a replacem...

Aftermarket replacement fuel filter assembly for Perkins 4.203 engines. Fuel filter housing with 1/2" UNF original fittings, designed as a replacem...

Quality aftermarket Perkins 4.203 starter ring gear. Details: Number of teeth 126 Outside diameter 404mm Inside diameter 375mm Width 17.5mm UK, E...

Quality aftermarket solenoids suitable for automotive' or a marine applications like Perkins 4.203 Our automotive version is suitable for applicati...

A very comprehensive aftermarket overhaul kit which includes the major components that you will need to overhaul your tired and smoking Perkins 4.2...

A quality aftermarket Perkins 4.203 valve cam follower suitable for the following engine versions: (JD) 4.203 and (JE) D4.203 UK, European an...

Aftermarket Low oil pressure alarm for Perkins 4.203 is a quality bulkhead mounted warning alarm, to be used in conjunction with an oil pressure sw...

Quality aftermarket Perkins 4.203 connecting rod, a top quality part that comes with small end bush fitted and reamed to size, together with big en...

Quality aftermarket engine overhaul kit for Perkins 4.203 engines includes the following parts: Inlet valves 45° or 35° x 4 Exhaust valves 45° or ...

Quality aftermarket Perkins 4.203 and D4.203 starter ring gear Details: Number of teeth 115 Outside diameter 368mm Inside diameter 340mm Width 17....