• Arm exhaust rocker suitable for JCB DieselMax - engine - 320/03650
  • Arm exhaust rocker suitable for JCB DieselMax - engine - 320/03650
Arm exhaust rocker suitable for JCB DieselMax - engine - 320/03650
GX-AFTER

Arm exhaust rocker suitable for JCB DieselMax - engine

Catalog number:SKX1042016A Nr OEM:320/03650 Manufacturer:GX-AFTER
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Exhaust Valve Rocker Arm for JCB DieselMax - 320/03650

Technical Specification and Compatibility

High-quality 320/03650 exhaust valve rocker arm by GX-AFTER. This is a key component of the timing system, responsible for actuating the exhaust valves. Dedicated to modern JCB DieselMax and EcoMax engines, used in a wide range of JCB machines, from 3CX backhoe loaders to large JS excavators and telescopic handlers.

Part Number: 320/03650
Alternative Numbers: 320/03724, 320/03673, 320/03774, 320/03928, 320/03921
Type: Exhaust Rocker Arm
Engines: JCB DieselMax / EcoMax (444, 448 series)

GX-AFTER is the smart choice for your machine. We provide high-class replacements that combine excellent quality with an attractive price. Each part is carefully verified to ensure full compatibility and reliability you can depend on.

Features of 320/03650 GX-AFTER Rocker Arm

Precision Manufacturing: Perfect geometry ensures proper interaction with the camshaft and valves, crucial for engine performance.
Durable Material: High-hardness forged steel resists constant cyclic loads and high temperatures within the cylinder head.
Ready to Install: The part meets strict OEM standards and is ready for direct installation in the DieselMax engine.
Optimal Lubrication: Design ensures proper oil flow, minimizing friction and component wear.

Application in JCB machinery (DieselMax/EcoMax engines)

Machine Type Models / Series
Backhoe Loaders 3CX, 4CX, 5CX (Global, Entry Level, and other JCB-engined versions)
Telehandlers (Loadall) 531-70, 535-95, 541-70, 550-80, 560-80, and 500 series: 506-560
Excavators (JS / X) JS130, JS145, JS160, JS220, JS370, JZ140, X Series, Hydradig 110W
Wheel Loaders 411, 416S, 417HT, 433, 440, TM320, TM420
Other Machines Vibromax Rollers, Generators, Teletruk (TLT)

The model list is for reference. Compatibility depends on the specific engine (DieselMax/EcoMax) installed in the machine.

Related Parts and Hardware

The rocker arm works with the camshaft, pushrods, and valve bridges (if present). When replacing rocker arms, it is recommended to inspect all these components.

⚠️ Safety Warning

A broken or excessively worn rocker arm can lead to serious engine failure, including damage to valves, pistons, and the cylinder head. Symptoms include loud tapping noise from the rocker cover area, loss of power, and rough engine running.

Part Role in the Machine and Failure Diagnostics

The valve rocker arm transfers motion from the camshaft to the exhaust valves, allowing them to open at the correct moment in the engine cycle.

  • Distinct "tapping" in the upper engine area.
  • Loss of compression on one cylinder (if the valve doesn't open/close correctly).
  • Excessive engine smoke.
  • Visible crack or wear on the rocker arm contact surface upon inspection.

📞 Can't find the part you're looking for?

No worries. Our website features only a few thousand of the over 60,000 parts we have in stock. Contact us – we likely have what you need readily available!

🔧 Expert Guide: Key Installation Tips

  1. Engine Check: Ensure you have a DieselMax or EcoMax engine. Older Perkins engines used different parts.
  2. Valve Clearance: After replacing the rocker arm, it is mandatory to adjust the valve clearances according to JCB service data.
  3. Pre-lubrication: Before first start-up, lubricate the contact surfaces of the new rocker arm with fresh engine oil to avoid dry running.

Frequently Asked Questions (FAQ)

Does this rocker also fit the intake side?

Typically, intake and exhaust rocker arms in DieselMax engines are different. Please check the part numbers for your specific engine. This product (320/03650) is dedicated to exhaust valves.

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.

SKX1042016A
320/03650
0.27 kg

Data sheet

SUITABLE FOR
JCB
MACHINE TYPE
BACKHOE LOADER
EXCAVATOR
FORKLIFT
GENERATOR
SKID STEER LOADER
TELESCOPIC HANDLER
TELETRUK
VIBROMAX
WHEELED LOADER
OEM NUMBERS
320/03650
ENGINE
JCB DIESELMAX
JCB ECOMAX

Specific References

MPN
320/03650
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Arm exhaust rocker suitable for JCB DieselMax - engine

Catalog number: SKX1042016A
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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

91.64 zł

net price
74,50 zł
Temporarily unavailable
74,50 zł
net price

91.64 zł

gross price
  • You will receive 7 points, it gives you 2.80 zł
  • Lowest price from 30 days before the discount: 91.64 zł
    PRODUCT SPECIFICATION
    SUITABLE FOR
    JCB
    MACHINE TYPE
    BACKHOE LOADER
    EXCAVATOR
    FORKLIFT
    GENERATOR
    SKID STEER LOADER
    TELESCOPIC HANDLER
    TELETRUK
    VIBROMAX
    WHEELED LOADER
    Show more
    OEM NUMBERS
    320/03650
    ENGINE
    JCB DIESELMAX
    JCB ECOMAX

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

    Opening hours
    Telephone support - Monday - Friday (8:00 AM – 5:00 PM)
    Order pick-up - Monday - Friday (8:00 AM – 4:30 PM)

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