Replacement spray lance for Stihl SG21, SG31, SG51 backpack sprayers, ideal for tree surgeons and precision spraying.
    Replacement spray lance for Stihl SG21, SG31, SG51 backpack sprayers, ideal for tree surgeons and precision spraying.
Replacement spray lance for Stihl SG21, SG31, SG51 backpack sprayers, ideal for tree surgeons and precision spraying.

SG21, SG31, SG51 Backpack Sprayer Lance

SKU: Stihl | ST-4255 500 0900

Regular price
£19.58 Ex VAT
£19.58 £19.58 Ex VAT
Shipping calculated at checkout.
Regular price
£19.58 Ex VAT
£23.50 Inc VAT
Sale price
£19.58 £19.58 Ex VAT
Regular price
£23.50 £23.50 Inc VAT
Was £19.58 Ex VAT

In Stock

or 4 interest-free
payments of £5.87 with

Free Standard UK Delivery Over £75 +VAT

Easy Returns

Product information & specifications

Replace Your Worn Spray Lance for Flawless Spraying with Stihl SG21, SG31, SG51 Compatibility

Is your Stihl backpack sprayer letting you down with a faulty or clogged spray lance? Don't compromise your spraying projects – invest in a genuine replacement lance for optimal performance and continued precision.

This high-quality spray lance is specifically designed for compatibility with Stihl SG21, SG31, and SG51 backpack sprayers. It seamlessly integrates with your existing sprayer, ensuring a hassle-free installation process. Crafted from durable materials, this replacement lance is built to withstand demanding use and harsh chemicals.

Experience the Benefits:

  • Accurate Spraying: The precisely engineered nozzle delivers a consistent and controlled spray pattern, minimising waste and ensuring even application.
  • Effortless Operation: The ergonomic design promotes comfortable handling, reducing fatigue during extended spraying sessions.
  • Reliable Performance: Manufactured to Stihl's exacting standards, this replacement lance guarantees optimal functionality and long-lasting service.
  • Genuine Stihl Quality: Invest in a genuine replacement part for guaranteed compatibility, performance, and safety.
  • Length: 495mm

Restore peak performance to your Stihl backpack sprayer. Order your replacement spray lance today!

Replace Your Worn Spray Lance for Flawless Spraying with Stihl SG21, SG31, SG51 Compatibility

Is your Stihl backpack sprayer letting you down with a faulty or clogged spray lance? Don't compromise your spraying projects – invest in a genuine replacement lance for optimal performance and continued precision.

This high-quality spray lance is specifically designed for compatibility with Stihl SG21, SG31, and SG51 backpack sprayers. It seamlessly integrates with your existing sprayer, ensuring a hassle-free installation process. Crafted from durable materials, this replacement lance is built to withstand demanding use and harsh chemicals.

Experience the Benefits:

  • Accurate Spraying: The precisely engineered nozzle delivers a consistent and controlled spray pattern, minimising waste and ensuring even application.
  • Effortless Operation: The ergonomic design promotes comfortable handling, reducing fatigue during extended spraying sessions.
  • Reliable Performance: Manufactured to Stihl's exacting standards, this replacement lance guarantees optimal functionality and long-lasting service.
  • Genuine Stihl Quality: Invest in a genuine replacement part for guaranteed compatibility, performance, and safety.
  • Length: 495mm

Restore peak performance to your Stihl backpack sprayer. Order your replacement spray lance today!

Delivery & Returns

Christmas Returns (Extended)

To give you extra peace of mind over Christmas:

  • Orders placed between 10 October and 24 December 2025 can be returned up to 26 January 2026 (excluding Sale items)

  • Orders placed from 25 December 2025 onwards are covered by our standard 30-day return policy

UK Delivery

Fast, reliable delivery from our UK warehouse.

  • FREE UK Delivery on orders over £50 + VAT
    Estimated delivery: 2–4 working days

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


  • Next Working Day Delivery£5.00 + 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.

Christmas Returns (Extended)

To give you extra peace of mind over Christmas:

  • Orders placed between 10 October and 24 December 2025 can be returned up to 26 January 2026 (excluding Sale items)

  • Orders placed from 25 December 2025 onwards are covered by our standard 30-day return policy

UK Delivery

Fast, reliable delivery from our UK warehouse.

  • FREE UK Delivery on orders over £50 + VAT
    Estimated delivery: 2–4 working days

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


  • Next Working Day Delivery£5.00 + 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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