Pump Piston

SKU: Stihl | ST-1121 647 0603

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£19.42 Ex VAT
£19.42 Ex VAT
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Regular price
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£23.30 Inc VAT
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Product information & specifications

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STIHL Pump Piston for 024 & 026 Chainsaws

The STIHL Pump Piston (1121 647 0603) is a genuine STIHL replacement part designed to help maintain the performance and reliability of compatible STIHL petrol chainsaws. As an important internal component, this pump piston is engineered for a precise fit and dependable operation, making it a practical replacement for servicing or repairing worn oil pump-related components on selected STIHL chainsaw models.

Manufactured to genuine STIHL standards, this replacement chainsaw pump piston is built for durability in demanding working conditions and is suitable for use on classic STIHL saws including the 024 and 026, as well as selected later MS-series models. It is an essential service part for keeping your chainsaw operating efficiently and reliably over time.

Key Features

  • Genuine STIHL replacement pump piston
  • Original STIHL OEM part number: 1121 647 0603
  • Designed for dependable fit and compatibility
  • Built for durability in demanding chainsaw operating conditions
  • Helps maintain correct chainsaw pump system performance
  • Suitable for servicing and repair of compatible STIHL chainsaws
  • Direct replacement for worn or damaged original part
  • Designed to support long-term machine reliability

Designed for Reliable Chainsaw Performance

The STIHL Pump Piston is designed to help keep your chainsaw’s pump system operating correctly, supporting smooth and dependable machine function during use. Replacing worn internal parts with genuine STIHL components is an important part of maintaining consistent performance and prolonging the working life of your saw.

Durable OEM Quality for Service and Repair

As a genuine STIHL part, this pump piston is manufactured to match the original equipment specification for fit and function. It is built to handle the vibration, mechanical load and working conditions associated with regular chainsaw use, making it a dependable option for professional servicing or workshop maintenance.

Compatibility and Application

This STIHL pump piston is suitable for use on selected STIHL chainsaws including the 024, 026, MS 240, MS 260, MS 260 C, MS 261 and MS 261 C. It is commonly used as part of routine maintenance or repair work when replacing worn or damaged internal pump-related components. Also commonly referred to as a chainsaw pump piston or STIHL piston, it is a practical spare part for maintaining reliable saw operation.

Technical Specifications

Specification Details
Product Name STIHL Pump Piston for 024 & 026 Chainsaws
OEM Part Number 1121 647 0603
Product Type Pump piston / replacement chainsaw part
Brand STIHL
Primary Use Chainsaw maintenance and repair
Alternate Part Numbers 11216470603
Alternative Names Chainsaw pump piston, STIHL piston

Compatible Models

Fits selected STIHL chainsaw models including:

024, 026, MS240, MS260, MS260C, MS261, MS261C.

Ideal For

  • Repairing and maintaining compatible STIHL chainsaws
  • Replacing worn or damaged internal pump components
  • Workshop servicing and chainsaw rebuilds
  • Keeping older STIHL saws running efficiently
  • Restoring reliable chainsaw performance

Best For

The STIHL Pump Piston 1121 647 0603 is best for users and technicians maintaining compatible STIHL chainsaws who need a genuine replacement part for dependable repair and long-term performance.

Why Choose STIHL Pump Piston 1121 647 0603?

Using a genuine STIHL pump piston helps ensure correct fit, reliable performance and proper compatibility with your chainsaw. For servicing and repair work, it is a dependable OEM replacement part that helps keep your saw working as intended.

STIHL Pump Piston for 024 & 026 Chainsaws

The STIHL Pump Piston (1121 647 0603) is a genuine STIHL replacement part designed to help maintain the performance and reliability of compatible STIHL petrol chainsaws. As an important internal component, this pump piston is engineered for a precise fit and dependable operation, making it a practical replacement for servicing or repairing worn oil pump-related components on selected STIHL chainsaw models.

Manufactured to genuine STIHL standards, this replacement chainsaw pump piston is built for durability in demanding working conditions and is suitable for use on classic STIHL saws including the 024 and 026, as well as selected later MS-series models. It is an essential service part for keeping your chainsaw operating efficiently and reliably over time.

Key Features

  • Genuine STIHL replacement pump piston
  • Original STIHL OEM part number: 1121 647 0603
  • Designed for dependable fit and compatibility
  • Built for durability in demanding chainsaw operating conditions
  • Helps maintain correct chainsaw pump system performance
  • Suitable for servicing and repair of compatible STIHL chainsaws
  • Direct replacement for worn or damaged original part
  • Designed to support long-term machine reliability

Designed for Reliable Chainsaw Performance

The STIHL Pump Piston is designed to help keep your chainsaw’s pump system operating correctly, supporting smooth and dependable machine function during use. Replacing worn internal parts with genuine STIHL components is an important part of maintaining consistent performance and prolonging the working life of your saw.

Durable OEM Quality for Service and Repair

As a genuine STIHL part, this pump piston is manufactured to match the original equipment specification for fit and function. It is built to handle the vibration, mechanical load and working conditions associated with regular chainsaw use, making it a dependable option for professional servicing or workshop maintenance.

Compatibility and Application

This STIHL pump piston is suitable for use on selected STIHL chainsaws including the 024, 026, MS 240, MS 260, MS 260 C, MS 261 and MS 261 C. It is commonly used as part of routine maintenance or repair work when replacing worn or damaged internal pump-related components. Also commonly referred to as a chainsaw pump piston or STIHL piston, it is a practical spare part for maintaining reliable saw operation.

Technical Specifications

Specification Details
Product Name STIHL Pump Piston for 024 & 026 Chainsaws
OEM Part Number 1121 647 0603
Product Type Pump piston / replacement chainsaw part
Brand STIHL
Primary Use Chainsaw maintenance and repair
Alternate Part Numbers 11216470603
Alternative Names Chainsaw pump piston, STIHL piston

Compatible Models

Fits selected STIHL chainsaw models including:

024, 026, MS240, MS260, MS260C, MS261, MS261C.

Ideal For

  • Repairing and maintaining compatible STIHL chainsaws
  • Replacing worn or damaged internal pump components
  • Workshop servicing and chainsaw rebuilds
  • Keeping older STIHL saws running efficiently
  • Restoring reliable chainsaw performance

Best For

The STIHL Pump Piston 1121 647 0603 is best for users and technicians maintaining compatible STIHL chainsaws who need a genuine replacement part for dependable repair and long-term performance.

Why Choose STIHL Pump Piston 1121 647 0603?

Using a genuine STIHL pump piston helps ensure correct fit, reliable performance and proper compatibility with your chainsaw. For servicing and repair work, it is a dependable OEM replacement part that helps keep your saw working as intended.

Delivery & Returns

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UK Delivery

Fast, reliable delivery from our UK warehouse.

  • FREE UK Standard Delivery
    applies to eligible UK orders over £75 ex VAT.
    Estimated delivery: 2–4 working days

  • UK Standard Delivery from £3.60 + VAT
    Estimated delivery: 2–4 working days


  • Next Working Day Delivery£6.00 + VAT

    Order before 3:00pm (Monday–Friday) for next working day delivery

All UK orders are dispatched Monday–Friday and sent via a tracked courier service.

International Delivery

We ship worldwide from the UK.

  • Europe from £10.00

    Estimated delivery: 2–7 working days
  • Rest of the World from £12.00

    Estimated delivery: 2–11 working days

Shipping costs and delivery times are calculated at checkout based on destination and order contents.

Customs, Duties & Taxes

International orders may be subject to local import duties, taxes, or customs charges.

When UPS is selected at checkout, applicable duties and taxes are included in the total price. For other shipping services, duties and taxes may be charged separately on delivery and are the responsibility of the recipient.

Customs processing times may affect delivery estimates.


Returns

30-Day Return Policy

  • Items can be returned within 30 days of delivery
  • Products must be unused and in original condition
  • Return postage costs apply unless the item is faulty or incorrect


For full details, please visit our Shipping & Returns page.

UK Delivery

Fast, reliable delivery from our UK warehouse.

  • FREE UK Standard Delivery
    applies to eligible UK orders over £75 ex VAT.
    Estimated delivery: 2–4 working days

  • UK Standard Delivery from £3.60 + VAT
    Estimated delivery: 2–4 working days


  • Next Working Day Delivery£6.00 + VAT

    Order before 3:00pm (Monday–Friday) for next working day delivery

All UK orders are dispatched Monday–Friday and sent via a tracked courier service.

International Delivery

We ship worldwide from the UK.

  • Europe from £10.00

    Estimated delivery: 2–7 working days
  • Rest of the World from £12.00

    Estimated delivery: 2–11 working days

Shipping costs and delivery times are calculated at checkout based on destination and order contents.

Customs, Duties & Taxes

International orders may be subject to local import duties, taxes, or customs charges.

When UPS is selected at checkout, applicable duties and taxes are included in the total price. For other shipping services, duties and taxes may be charged separately on delivery and are the responsibility of the recipient.

Customs processing times may affect delivery estimates.


Returns

30-Day Return Policy

  • Items can be returned within 30 days of delivery
  • Products must be unused and in original condition
  • Return postage costs apply unless the item is faulty or incorrect


For full details, please visit our Shipping & Returns page.

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