Head gasket suitable for JCB TLT, ROBOT - HR engine
NEXGEN

Head gasket suitable for JCB TLT, ROBOT - HR engine

Catalog number:SKX054491B Nr OEM:02/630675 Manufacturer:NEXGEN
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Head Gasket (0.60mm) for Perkins 404C / 104.22 - 02/630675

Technical Specification and Compatibility

A high-quality 02/630675 head gasket by NEXGEN. This is the key seal for the combustion chamber, oil channels, and water jackets between the engine block and cylinder head. It is designed for Perkins 400 series (e.g., 404C-22, 404C-22T - HR Engine) and 100 series (e.g., 104.22) engines. It fits a wide range of JCB (TLT, ROBOT, 1CX, 8052), Caterpillar (3024C), Gehl, Atlas, Weidemann, and other machines.

Part Number: 02/630675
Alternative Numbers: 02/634209 / 02/634237 / 02/634132 / 02/634131
Type: Cylinder Head Gasket
Diameter (Bore): 86 mm
Thickness: 0.6 mm

In the construction industry, machine reliability is the key to success. That's why we offer high-quality NEXGEN replacement parts for construction machinery, which meet the highest standards of durability and performance. Our products are the ideal solution for companies and specialists looking for reliable components at attractive prices.

Features of the 02/630675 Gasket

High Compression Strength: Made from multi-layer steel (MLS) and composite materials to withstand extreme combustion pressures.
Thermal Resistance: Resistant to high combustion temperatures and degradation from coolant and oil.
Precise Sealing: Accurately formed water and oil passages prevent the mixing of vital fluids.
Wide Compatibility: Fits many popular Perkins 100 and 400 series engines used in JCB, CAT, Gehl, and other machines.

Application in machinery

Brand Series / Model / Engine Type
JCB Backhoe Loaders (1CX, 3CX, 4CX, MIDI CX), Mini Excavators (e.g., 8052, 8000 Series), Forklifts (TLT Series, e.g., TLT 35 D), ROBOT, TELETRUK
Caterpillar Models: 257B, 304.5, CB334E, M315C, 432E. Engines: 3024C, 404C-22T
Perkins 100 Series (KR - 104-22, KRC, KRG). 400 Series (GN - 404D-22, HP - 404C-22, HR - 404C-22T, HPC, HRC)
Gehl GEHLMAX KL 278 (Engine 404.C22)
Atlas AB04 Series, 804 M
Wacker - Neuson WL Series (WL 30, WL 36)
Weidemann 1000 Series (1090 D/P, 1370 P48, 1904 D/P), 2000 Series (2002 D/P, 2006 P50), 3000 Series (3002 D/P, 3006 P50, 3110 D/P), 1350 CX45, 1370 CX50, 1770 CX50, 2070 CX50
Steinbock CD/CL Series (16 C/H, 20 C/H)
Zeppelin ZK Series (ZK32B), ZM (4), ZR (4)

The list above is for reference. It is crucial to verify the engine type (e.g., Perkins 404C-22T) and bore (86 mm).

Related Parts and Hardware

A head gasket is the centerpiece of a top-end engine rebuild. When replacing it, it is absolutely essential to also replace the cylinder head bolts with a new set. We also recommend inspecting the valve cover gasket, valve stem seals, and having the cylinder head resurfaced.

⚠️ Safety Warning

A failed ("blown") head gasket leads to serious engine failure. It can cause oil and coolant to mix (creating "milkshake" sludge), combustion gases to enter the cooling system (risking a burst radiator or hoses), or loss of compression. Ignoring these symptoms will lead to engine seizure or a cracked head/block.

Part Role in the Machine and Failure Diagnostics

The 02/630675 head gasket is the most critical seal in an engine. It is a thin, multi-layer plate clamped between the engine block and the cylinder head. Its job is to hermetically seal the combustion chambers (to maintain compression) and to separate the pressurized oil channels and coolant passages that flow between the block and head.

  • › White smoke from the exhaust with a sweet smell (burning coolant).
  • › "Milkshake" or "mayo" on the oil cap or dipstick (oil/coolant mixing).
  • › Radiator hoses becoming rock hard or bubbling in the expansion tank (combustion gas in coolant).
  • › Rough running and loss of power (loss of compression between cylinders).
  • › External oil or coolant leaks from the head/block joint.

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🔧 Expert Guide: Key Installation Tips

  1. Resurface the Head: After any head removal (especially after overheating), the head must be checked for flatness and resurfaced (skimmed).
  2. New Bolts: Always use a new set of cylinder head bolts. Old bolts are "stretch" bolts and will not provide the correct clamping force.
  3. Clean Surfaces: The block and head surfaces must be perfectly clean and degreased. The bolt holes in the block must be cleaned (e.g., with a thread chaser).
  4. Torque & Sequence: Tighten the head bolts with a torque wrench, in the correct sequence (usually center-out) and in multiple stages (as per the engine's service manual).
  5. Verify Thickness: Ensure the 0.6mm thickness is correct for your application. Perkins engines often use different gasket thicknesses based on piston protrusion.

Frequently Asked Questions (FAQ)

Does this gasket fit a JCB DieselMax engine?

No. This gasket (02/630675) is exclusively for machines with Perkins 100 and 400 series engines (e.g., 404C-22T). JCB DieselMax engines (used post-2005) have a completely different design and require different gaskets.

What are the alternative numbers?

Older JCB part numbers for this same gasket include 02/634209, 02/634237, 02/634132, and 02/634131.

Why is the 0.6mm thickness important?

Head gasket thickness is critical for maintaining the correct compression ratio. It is chosen based on the piston protrusion (how high the piston comes up past the block deck). Installing the wrong thickness can lead to engine damage or incorrect performance.

Question mark

Do you have doubts or need confirmation to avoid costly downtime? Call us. Our experts will help you select the right part to get your equipment back to work as quickly as possible.

SKX054491B
02/630675
0.14 kg

Data sheet

SUITABLE FOR
JCB
MACHINE TYPE
BACKHOE LOADER
MIDI CX
MINIEXCAVATOR
ROBOT
TELESCOPIC HANDLER
TELETRUK
OEM NUMBERS
02/630675 / 02/634209 / 02/634237 / 02/634132 / 02/634131
ENGINE
PERKINS

Specific References

MPN
02/630675
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Head gasket suitable for JCB TLT, ROBOT - HR engine

Catalog number: SKX054491B
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Manufacturer

  • Serwis Kop Sp. z o.o. Sp. K.
  • Podkarpacka 57a
  • 35-082 Rzeszów
  • Poland
  • [email protected]
  • +48178643100

Responsible person

  • Serwis Kop Sp. z o.o. Sp. K.
  • Podkarpacka 57A
  • 35-082 Rzeszów
  • Poland
  • [email protected]
  • +48178643100
gross price

127.31 zł

net price
103,50 zł
Temporarily unavailable
103,50 zł
net price

127.31 zł

gross price
  • You will receive 10 points, it gives you 4.00 zł
  • Lowest price from 30 days before the discount: 127.31 zł
    PRODUCT SPECIFICATION
    SUITABLE FOR
    JCB
    MACHINE TYPE
    BACKHOE LOADER
    MIDI CX
    MINIEXCAVATOR
    ROBOT
    TELESCOPIC HANDLER
    TELETRUK
    Show more
    OEM NUMBERS
    02/630675 / 02/634209 / 02/634237 / 02/634132 / 02/634131
    ENGINE
    PERKINS

    WE OFFER PRODUCTS OF THE BEST BRANDS

    SERWIS KOP Sp. z o.o. Sp.k.
    ul. Podkarpacka 57A, 35-082 Rzeszów
    NIP: 813-352-97-49 REGON: 180286726

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