Hyundai HiMSEN H21/32 medium-speed four-stroke marine engine - spare parts supplier

HiMSEN · H21/32 · H25/33 · H32/40 · Four-stroke

Hyundai HiMSEN Engine Spare Parts. In 48 hours.

Genuine, OEM and reconditioned spares for HiMSEN-Hyundai four-stroke main engines — the Hyundai H-series, the common-rail H21/32 / H32/40 and the HiMSEN H-series — sourced beside Alang, shipped to India, UAE, Singapore & worldwide.

200+
Models indexed
3
Series: H21/32 / H32/40 / X
24–48 hr
Emergency dispatch
70%
Saving on reconditioned
SCROLL

Korea’s own engine line

From Hyundai Heavy
to HiMSEN.

1972

Hyundai Heavy

Hyundai Heavy Industries is founded in Ulsan, South Korea.

2001

First HiMSEN

HHI launches the HiMSEN H21/32 — its own medium-speed four-stroke engine.

2010s

The H-series

The HiMSEN H-series powers ship gensets and propulsion across the world fleet.

2020s

Greener HiMSEN

HHI adds dual-fuel and cleaner HiMSEN engines for new emission rules.

Today

HiMSEN today

Wattmare keeps every HiMSEN H21/32, H25/33 and H32/40 engine running with genuine, OEM-equivalent and Alang-reconditioned spares.

Who is HiMSEN

A Korean marine-power
major, Hyundai lineage.

Hyundai HiMSEN — Hyundai Heavy Industries’ own medium-speed four-stroke engine line — covers the H21/32, H25/33, H32/40 and H35/40 marine engines, used for ship gensets and propulsion across the world fleet.

A single fleet can run the H21/32, H25/33, H32/40 or H35/40 — and Wattmare supplies genuine, OEM-equivalent and Alang-reconditioned spares (liners, pistons, heads, connecting rods, injectors and bearings) across every HiMSEN bore.

Reconditioned HiMSEN-Hyundai connecting rod, machined and inspected in India

By the numbers

HiMSEN parts,
at depth.

0+
Models indexed
0
Model pages live
0
Wear-part types
0 hr
Emergency dispatch
0%
Max reconditioned saving

Parts we supply

Every HiMSEN-Hyundai
wear part, in reach.

01

Cylinder Liners

Original-bore & reconditioned liners for the full the full H-series range and H-series range, honed to OEM tolerance with measurement reports.

02

Cylinder Covers

Surface-ground four-stroke cylinder covers with bushings, studs and gasket kits across all H-series and H-series bores.

03

Piston Crowns & Skirts

Forged steel crowns and skirts for all the full H-series range and H-series bores — reconditioned crowns dimensionally verified.

04

Piston Rods

Piston rods with renewed running surfaces, matched to your exact cylinder unit and crosshead.

05

Piston Rings

Compression and oil-control ring sets — pre-profiled and chrome-ceramic rings to HiMSEN-Hyundai spec.

06

Fuel Injection Valves

Fuel injection valves, injector nozzles and atomisers for H-series and H-series engines, bench-tested before dispatch.

07

Fuel Pumps

High-pressure fuel pumps, plungers and barrels for H-series, plus common-rail supply units and flow-control valves for H-series.

08

Exhaust Valve & Cage

Complete exhaust valves — Nimonic spindles, valve seats, cages, bottom pieces and air-spring components.

09

Bearings

Main, crankpin & crosshead white-metal, trimetal and bimetal shells with material test certificates.

10

Stuffing Box

Housings, scraper and sealing ring sets for the piston rod — a key H-series and H-series overhaul item.

11

H-series Common-Rail Unit

Rail valves, flow-control units (FCU), injection control units and supply-unit parts for H21/32 / H32/40 engines.

12

Chain & Gear Drive

Camshaft chain-drive links, tighteners, sprockets and gear-drive parts for Hyundai H-series engines.

13

Telescopic Pipe

Telescopic piston-cooling pipes and guide assemblies feeding oil to the crosshead and piston.

14

Starting Air Valves

Cylinder and main starting-air valves, overhauled and pressure-tested for four-stroke engines.

15

Gasket & Seal Kits

Full sealing kits, cooling-jacket O-rings and high-temperature gaskets per engine model.

16

Studs, Nuts & Fasteners

High-tensile cylinder-cover, tie-rod and main-bearing studs and hydraulic nuts.

Models & specifications

HiMSEN-Hyundai models
we stock parts for.

All 33 HiMSEN-Hyundai four-stroke models we supply — genuine, OEM-equivalent, or Alang-reconditioned. Tap any model for an instant WhatsApp quote; can’t see yours? Send the nameplate and we’ll match it.

Legacy · HiMSEN (recon)⭐ Alang reconditioned

33 HiMSEN-Hyundai four-stroke models indexed — genuine, OEM-equivalent & Alang-reconditioned. Send your exact H21/32 / H32/40 / H-series designation and we’ll match the part.

Which part is right?

Genuine, OEM-equivalent
or reconditioned.

Genuine HiMSEN

Original maker
  • Price Highest
  • Lead time Days–weeks
  • Warranty OEM
  • Docs Full certificates
  • Best for Newbuild / class

OEM-equivalent

Quality aftermarket
  • Price 30–50% less
  • Lead time Days
  • Warranty Supplier
  • Docs Material certs
  • Best for Planned maint.

Reconditioned

Low-hour, ex-Alang
  • Price Up to 70% less
  • Lead time 24–48 hrs
  • Warranty 30-day, backed
  • Docs Report + photos
  • Best for Legacy H-series & emergencies

Overhaul & repair kits

HiMSEN overhaul kits,
assembled to your model.

Send your exact the full H-series range / H-series or H-series designation and we assemble a complete decarbonising, top-overhaul or major-overhaul kit — cylinder liners, piston rings, fuel injection valves, exhaust-valve spindles, stuffing-box rings, gaskets, O-rings and fasteners. Genuine or reconditioned, every kit ships with material or inspection certificates and a packing list cross-checked to your engine.

HiMSEN overhaul kit parts - pistons, liners and rings
Kit 01

Decarbonising kit

Piston rings, fuel injection valves, cylinder-cover O-rings, exhaust-valve grinding set and gaskets for a routine de-carb on one or all units.

Kit 02

Top-overhaul kit

Cylinder liner, piston rings, piston-crown inspection set, fuel injection valves, exhaust-valve spindle & seat and stuffing-box sealing rings.

Kit 03

Major-overhaul kit

Full running gear — liners, crowns, rods, main / crankpin / crosshead bearings, fuel pumps or common-rail parts and complete seal and fastener sets.

HiMSEN-Hyundai H-series reconditioned parts beside Alang

Inside the stockyard · 01

Hyundai H-series.

The camshaft-controlled H17/28 through H46, including the high-output range — liners, covers, piston crowns, fuel pumps, chain drives and bearings, genuine and reconditioned beside Alang.

HiMSEN H-series common-rail injection parts

Inside the stockyard · 02

HiMSEN H25/33 & H32/40.

The mid-range H25/33 and H32/40 — running gear, heads, valves and fuel equipment for gensets and propulsion.

HiMSEN H35/40 running-gear parts

Inside the stockyard · 03

HiMSEN H-series.

The larger HiMSEN H35/40 and H46 — cylinder heads, pistons, inlet and exhaust valves, fuel pumps and bearings for propulsion and large gensets.

HiMSEN parts dispatched from India in 48 hours

Inside the stockyard · 04

Sourced in 48 hours.

Beside the world’s largest ship-recycling yard, we recover low-hour HiMSEN-Hyundai parts no distributor stocks — documented, packed and airborne to your port.

Why Wattmare for HiMSEN

Vessel down?
Airborne in 48 hours.

01

Alang sourcing

Direct access to genuine, low-hour HiMSEN-Hyundai H-series and H-series parts no distributor still stocks — 30–50% below European prices.

02

48-hour emergency

One WhatsApp, one photo. We confirm stock, document, pack and fly it to your port — day or night.

03

H-series & H-series specialists

From obsolete Hyundai H-series fuel pumps and chain drives to H-series common-rail units — we know the difference and stock both.

04

Class-documented

Material certificates on genuine parts; inspection and measurement reports with photos on reconditioned.

How we source & recondition

From Alang to your
engine room.

Step 01

Source from Alang

Low-hour HiMSEN-Hyundai parts recovered from vessels at the world’s largest ship-recycling yard.

Step 02

Inspect & measure

Every part is dimensionally checked against OEM drawings and HiMSEN-Hyundai tolerance limits.

Step 03

NDT & pressure test

Crack-detection, hardness and pressure testing on all critical liners, crowns, valves and bearings.

Step 04

Certify & dispatch

Inspection report, photos and a 30-day warranty — packed and air-freighted worldwide in 24–48 hours.

Where we deliver

HiMSEN parts to
every major port.

Air-freighted from Alang / Bhavnagar to the world’s biggest bunkering and repair hubs in 24–48 hours. Tap a market for local lead times and ports.

Diagnose the fault

Symptom to HiMSEN
spare part.

SymptomLikely HiMSEN-Hyundai parts to inspect
Loss of compression or power on one unitCylinder liner, piston rings, piston crown
High exhaust temperature on one cylinderFuel injection valve / nozzle, exhaust valve spindle
Knocking or pounding from the crankcaseMain, crankpin or crosshead bearings
Excessive cylinder-oil consumptionLiner wear, piston rings, stuffing-box rings
Difficult or failed startingStarting air valve, fuel pump (plunger / barrel) or rail valve
Black or smoky exhaustFuel valve nozzles, slide valves, turbocharger interface
Oil leak at the piston-rod glandStuffing box scraper and sealing ring set
Water in the combustion spaceCylinder cover, cooling-jacket O-rings, liner

Compare the marques

HiMSEN-Hyundai vs MAN B&W
vs Mitsubishi UEC.

Run a mixed fleet? We supply spare parts across all three of the great medium-speed four-stroke marques — here’s how they compare and where each one fits.

HiMSEN / Hyundai

the full H-series range
  • Engines the full H-series range, W-X
  • Era 1982–present
  • Our depth 33 models
  • Strength Common-rail electronic
  • This page HiMSEN ★

MAN B&W

Most-installed four-stroke
  • Engines MC, MC-C, ME-C/B/GI
  • Era 1980–present
  • Our depth 200+ models
  • Strength Largest installed base
  • Sister page Available
MAN B&W parts →

Mitsubishi UEC

Japanese four-stroke
  • Engines UEC, UEC-LS, UEC-Eco
  • Era Legacy — present
  • Our depth Reconditioned ex-Alang
  • Strength Obsolete-part sourcing
  • Sister page Available
Mitsubishi parts →

The complete guide

HiMSEN engine spare parts, explained

Wattmare is a specialist HiMSEN engine spare parts supplier serving India, the UAE, Singapore and the wider global fleet. From our base in Bhavnagar — beside the Alang ship-recycling yard — we supply genuine, OEM-equivalent and reconditioned spares for every generation of HiMSEN-Hyundai four-stroke marine main engine, dispatched worldwide in 24–48 hours.

The HiMSEN-Hyundai lineage

The four-stroke engines on this page are Hyundai HiMSEN — Hyundai Heavy Industries’ own medium-speed engine line, designed and built in Ulsan, South Korea since the first HiMSEN H21/32 in 2001. The H17/28, H21/32, H25/33, H32/40, H35/40 and H46 power ship gensets and propulsion across the world fleet, and Wattmare supplies spares across all of them.

H-series versus H-series versus H-series

The single most important question on any HiMSEN-Hyundai order is whether the engine is an H-series, an H-series or an H-series. The Hyundai H-series is camshaft-controlled — fuel pump, fuel cam, chain drive and mechanical exhaust-valve gear. The H21/32 / H32/40 and the HiMSEN H-series are electronically controlled, replacing the camshaft with a common-rail supply unit, rail valves, flow-control units (FCU) and hydraulically actuated exhaust valves. Liners, covers, crowns and bearings are broadly common by bore, but injection and actuation parts are entirely different — always give us your exact H21/32 / H32/40 / H-series designation.

Common HiMSEN wear parts we stock

For every HiMSEN H21/32, H25/33, H32/40 and H35/40 bore we stock cylinder liners, cylinder heads, piston crowns and skirts, piston rings, connecting-rod and main bearings, fuel injectors, fuel pumps, inlet and exhaust valves, camshaft parts and turbocharger spares — genuine, OEM-equivalent and Alang-reconditioned.

The Alang advantage for legacy H-series parts

Bhavnagar sits beside Alang, where hundreds of vessels are dismantled every year — including ships still running ageing Hyundai H-series four-stroke engines. That gives Wattmare direct access to genuine, low-hour parts that are slow or costly to source from distributors, at a fraction of new-part cost and lead time. For hard-to-find H-series fuel pumps, chain drives, liners or running gear, this is the fastest source in the world. Browse our reconditioned marine spare parts range, the wider main engine spare parts category, or sister brands like MAN engine spares and Mitsubishi UEC.

How to order and what to expect

Send your HiMSEN engine make and model with a photo or part number on WhatsApp, or use the quote form. We confirm availability and price — usually within the hour — and dispatch in-stock items within 24 hours. Typical air-freight transit is 12–18 hours to the UAE, 16–24 to Singapore, 20–26 to Greece and Turkey, and 28–36 to Northern Europe.

FAQ

HiMSEN parts,
answered.

Do you supply HiMSEN H-series cylinder liners?

Yes — cylinder liners are one of our strongest HiMSEN-Hyundai lines. We carry original-bore and reconditioned liners for the H-series and H-series, plus the rest of the H-series range (H17/28 to H46), honed to OEM tolerance with measurement reports. Most legacy H-series liners are recovered and reconditioned beside Alang.

What is the difference between Hyundai the full H-series range and H-series parts?

The Hyundai H-series is a camshaft-controlled (mechanical) four-stroke — fuel pump, fuel cam and mechanical exhaust-valve actuation. The H21/32 / H32/40 and the HiMSEN H-series are electronically controlled, replacing the camshaft with a common-rail supply unit, rail valves, flow-control units (FCU) and hydraulically actuated exhaust valves. Liners, crowns and bearings are broadly similar by bore, but the injection and exhaust-valve actuation parts are completely different — always quote your exact the full H-series range or H-series model.

Which HiMSEN engine models do you cover?

We cover the full HiMSEN range — H17/28, H21/32, H25/33, H32/40, H35/40 and H46 — every HiMSEN bore.

Are reconditioned HiMSEN parts class-approved?

Reconditioned parts ship with inspection reports, dimensional measurements and photographs, and are accepted by class societies (Lloyd’s Register, DNV, ABS, BV, ClassNK, RINA) on survey. Genuine HiMSEN parts carry full material and test certificates.

How fast can you deliver HiMSEN parts to Dubai?

In-stock items dispatch within 24 hours from Bhavnagar. Typical air-freight transit to the UAE (Dubai, Jebel Ali, Fujairah) is 12–18 hours. Singapore is 16–24 hours, Greece and Turkey 20–26, and Northern Europe 28–36.

Can you supply HiMSEN fuel injection valves and fuel pumps?

Yes — fuel injection valves, injector nozzles, high-pressure fuel pumps, plungers and barrels for Hyundai H-series engines, plus common-rail supply units, rail valves, flow-control units (FCU) and injection equipment for H21/32 / H32/40 and H-series engines, are stocked and bench-tested before dispatch.

What is the difference between genuine, OEM-equivalent and reconditioned parts?

Genuine parts come from the original maker (HiMSEN / HiMSEN) with full certificates. OEM-equivalent are quality aftermarket parts at 30–50% less. Reconditioned are low-hour parts recovered from Alang, inspected and certified to OEM tolerance, at up to 70% less with a 30-day warranty.

Do you supply obsolete Hyundai H-series parts no longer stocked by distributors?

Yes — obsolete Hyundai H-series parts are our specialty. Beside Alang we recover low-hour fuel pumps, chain drives, liners, crowns and running gear from H-series-powered vessels being dismantled, then inspect and certify them. For the full H-series range and H-series engines this is often the fastest source in the world.

Do you supply HiMSEN turbocharger and running-gear spares?

Yes — turbocharger spares, fuel injectors, pumps, camshaft parts, bearings and complete running gear for the HiMSEN H21/32, H25/33, H32/40 and H35/40, genuine and Alang-reconditioned.

How do I get a price for a HiMSEN spare part?

Send your engine model and a photo or part number on WhatsApp (+91 96647 18068), or use the quote form. We confirm availability and price, usually within the hour — whether you need genuine, OEM-equivalent, used or reconditioned parts, or a complete overhaul kit.

Where do you ship HiMSEN parts and how are they packed?

We ship from Alang/Bhavnagar to the UAE, Dubai, Singapore, Greece, Turkey and every major port worldwide in 24–48 hours. Parts are export-packed with VCI wrapping, wooden crates and palletisation, with photos shared before dispatch and full export documentation included.

Can you supply complete HiMSEN overhaul kits?

Yes — decarbonising, top-overhaul and major-overhaul kits assembled to your exact the full H-series range / H-series or H-series model, with liners, piston rings, fuel injection valves, exhaust-valve spindles, stuffing-box rings, gaskets, O-rings and fasteners included.

HiMSEN engine room - request a spare parts quote

Request a quote · reply within the hour

One message
away.

Emergency HiMSEN failure, dry-dock overhaul, or a long-term pipeline — send your engine and part, and a founding partner replies on WhatsApp, usually within the hour. Genuine, OEM, used or reconditioned.

Wattmare — Bhavnagar, Gujarat, India, beside the Alang ship-recycling yard. Genuine, OEM & reconditioned HiMSEN-Hyundai spares, worldwide in 24–48 hours.

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