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Yanmar Engine Parts | BV4 & 3TNV Series

Yanmar is Japan's foremost compact diesel engine specialist, with a product heritage spanning over a century and a global installed fleet presence across compact excavators, agricultural machinery, industrial generators, and refrigeration units that has made the Yanmar name the benchmark for reliable compact diesel performance worldwide. At Imara Engineering, we supply Yanmar engine parts to OEM specifications across the full Yanmar diesel engine range.

Whether you need genuine Yanmar diesel parts for a precision overhaul, aftermarket Yanmar engine parts for a high-wear service interval, or used Yanmar engine parts for a legacy model, every component is verified against specification and serial-number cross-referenced before dispatch. Orders ship globally with fast lead times. Our engine brands also range from Caterpillar, Cummins, Isuzu, Perkins, Detroit Diesel, and Deutz.

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46 products

Air Pressure Sensor 129978-12700 for Yanmar Engine

Pressure Sensor 129978‑12700 for Yanmar Engines

Regular price £66.00
Sale price £66.00 Regular price
Heater Radiator Core for Yanmar 3TNV76 Mini Excavator

Heater Radiator Core for Yanmar 3TNV76 Mini Excavator

Regular price £191.00
Sale price £191.00 Regular price £0.00
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Piston Kit 129001-22081 for Yanmar 3TNE88 4TNE88 Diesel Engine

Regular price £123.00
Sale price £123.00 Regular price £21.00
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Piston Kit Ring Set 129005-22080 129005-22500 for Yanmar 3TNV88 Engine

Regular price £123.00
Sale price £123.00 Regular price £21.00
Cylinder Liner 129907-22500 for Yanmar 3TNV88 4TNV88 Diesel Engine

Cylinder Liner 129907-22500 for Yanmar 3TNV88 4TNV88 Diesel Engine

Regular price £55.00
Sale price £55.00 Regular price
Piston Ring Set 129907-22080 for Yanmar 3TNV88 4TNV88 Diesel Engine

Piston Ring Set 129907-22080 for Yanmar 3TNV88 4TNV88 Diesel Engine

Regular price £1,778.00
Sale price £1,778.00 Regular price £216.00
Crankshaft Assembly 129001-21000 for Yanmar 3TNV84 3TNV88 Diesel Engine

Crankshaft Assembly 129001-21000 for Yanmar 3TNV84 3TNV88 Diesel Engine

Regular price £794.00
Sale price £794.00 Regular price
Crankshaft for Yanmar Diesel Engine 4TNV94

Crankshaft 129902-21000 for Yanmar 4TNE94L 4TNE98 4TNV94 Diesel Engine

Regular price £829.00
Sale price £829.00 Regular price
Piston 119717-22080 11971722080 for Yanmar Diesel Engine 3TNV76 Thermo King TK376 TK3.76

Piston 119717-22080 11971722080 for Yanmar Diesel Engine 3TNV76 Thermo King TK376 TK3.76

Regular price £158.00
Sale price £158.00 Regular price £27.00
Piston + Piston Ring 129685-22160 for Yanmar 4TNV86

Piston + Piston Ring 129685-22160 for Yanmar 4TNV86

Regular price £153.00
Sale price £153.00 Regular price £44.00
Piston and Piston Ring Kit for Yanmar 3TNV82A Excavator Engine

Piston and Piston Ring Kit for Yanmar 3TNV82A Excavator Engine

Regular price £648.00
Sale price £648.00 Regular price £28.00
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Piston Ring Set 129002-22500 for Yanmar 3TN84 4TN84 Diesel Engine

Regular price £123.00
Sale price £123.00 Regular price £21.00
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Front Idler for Yanmar VIO55 Mini Excavator Undercarriage Parts

Regular price £721.00
Sale price £721.00 Regular price £90.00
Track Adjuster FYD60003748 for Yanmar Mini Excavator VIO55-6A

Track Adjuster FYD60003748 for Yanmar Mini Excavator VIO55-6A

Regular price £640.00
Sale price £640.00 Regular price £61.00
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Front Idler for Yanmar B37 Mini Excavator Undercarriage Parts

Regular price £852.00
Sale price £852.00 Regular price £135.00
Radiator 0684001100 for Takeuchi TL240

Radiator 0684001100 for Takeuchi TL240

Regular price £1,499.00
Sale price £1,499.00 Regular price
Radiator Core Assembly 20Y-03-21711 For Komatsu PC250LC-6

Radiator Assembly 172A64-13190 for Yanmar ViO17 Excavator

Regular price £1,907.00
Sale price £1,907.00 Regular price

Collection: Yanmar Engine

Yanmar Engine Series: Parts Coverage at Imara Engineering

Yanmar's diesel engine portfolio is structured around compact and sub-compact power units covering a displacement range from under one litre through to mid-range industrial configurations. The TNV series, encompassing the 3TNV and 4TNV platforms, represents the core of Yanmar's construction equipment and industrial machinery presence globally, and forms the foundation of Imara Engineering's Yanmar diesel parts inventory.

Yanmar 4TNV Series Engine Parts

The Yanmar 4TNV series is the brand's primary compact construction equipment engine platform, powering a broad range of compact excavators, wheel loaders, and industrial machinery across global fleet operations. The 4TNV's combination of reliable mechanical architecture, low emissions compliance, and compact dimensional envelope has made it one of the most widely specified compact diesel power units among equipment manufacturers producing machines in the sub-10 tonne operating weight class.

Imara Engineering stocks yanmar 4tnv parts covering the 4TNV84, 4TNV88, 4TNV94, 4TNV98, and 4TNV106 series. Component coverage includes pistons and liner kits, cylinder head assemblies and gasket sets, crankshaft bearing sets, connecting rod assemblies, fuel injection pump components, injectors, water pumps, oil pumps, turbocharger assemblies, and complete engine overhaul kit ranges. All Yanmar engine parts online orders for the 4TNV series are cross-referenced against the engine serial number before dispatch to confirm the correct specification for your production variant.

Yanmar 3TNV Series Engine Parts

The Yanmar 3TNV series occupies the compact end of the TNV platform family, powering mini excavators, compact utility machines, and light industrial equipment in the sub-5 tonne operating class. The 3TNV's three-cylinder configuration delivers the low-weight, low-vibration performance profile that compact equipment manufacturers require in space-constrained machine envelopes, and its mechanical simplicity makes it one of the most field-serviceable compact diesel engines in active fleet operation globally.

Imara Engineering carries yanmar 3tnv parts for the 3TNV70, 3TNV76, 3TNV82, 3TNV84, and 3TNV88 series. Component coverage includes piston and liner kits, cylinder head assemblies, head gasket sets, crankshaft and main bearing sets, fuel injection pump components, injectors, cooling system parts, and complete engine service kit ranges. Yanmar engine parts for legacy 3TNV series engines in older compact equipment are also available. Contact our team with your engine serial number for availability confirmation.

Thermo King Yanmar Engine Parts

Operators searching for Thermo King Yanmar engine parts are maintaining refrigeration transport units where Yanmar diesel engines are installed as the auxiliary power unit driving the Thermo King refrigeration system. These engines operate in a continuous-duty low-load profile that differs significantly from the variable-load cycle of construction equipment applications, generating a distinctive service requirement profile centred on cooling system components, fuel system maintenance items, and engine ancillary service parts.

Imara Engineering carries Thermo King Yanmar engine parts for the Yanmar engine variants deployed in Thermo King refrigeration units, covering fuel injection components, cooling system parts, gasket sets, seal kits, and complete engine service kit ranges. Provide your Yanmar engine model and serial number, not the Thermo King unit reference,e and our team will confirm the correct component specification for your specific engine variant.

Yanmar Industrial and Generator Engine Parts

Beyond construction equipment applications, Yanmar's industrial engine range, including the 4TNE, 4TNF, and 6LP series, powers generator sets, marine auxiliary units, and industrial machinery across markets where Yanmar's reputation for diesel reliability and low total cost of ownership makes it a preferred specification for high-continuous-duty applications.

Imara Engineering carries Yanmar diesel parts for the industrial engine range, covering cylinder head assemblies, piston and liner kits, fuel injection components, cooling system parts, bearing sets, and complete overhaul kit ranges. For generator and continuous-duty industrial applications, our team advises on complete service kit assembly to minimise downtime across planned major service intervals.

Genuine, OEM, or Aftermarket: Selecting the Right Yanmar Engine Parts

  • Genuine Yanmar engine parts carry Yanmar's direct manufacturing traceability and OEM warranty. The correct choice for fuel injection pump assemblies, electronic control components, turbocharger assemblies, and applications where Yanmar's own warranty coverage is contractually required.
  • OEM Yanmar parts are produced by approved supply-chain manufacturers to identical engineering tolerances without Yanmar branding. The most practical sourcing tier for independent workshops managing Yanmar diesel parts across diverse compact equipment fleet inventories at a more competitive price.
  • Aftermarket Yanmar engine parts are the value-matched choice for filters, belts, hoses, gasket sets, and seal kits where service frequency makes cost-per-interval the primary driver. All aftermarket Yanmar diesel parts online at Imara Engineering pass our specification review before listing or dispatch.

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