SPN-4-3T Aviamisto | Unique components for helicopters and other aircraft
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CANDLE IGNITION

SPN-4-3T

Description

SPN-4-3T spark plug - designed to ignite the fuel-air mixture when starting the engine. Constructively made non-separable, with ceramic insulation, shielded. The spark gap of the candle is the surface of the ceramic insulator between the central and side electrodes, on which the sprayed material of the electrodes is applied by electro-erosion.

Details

1. Weight – 5 gr.
2. The length of the thread of the screwed part of the candle body is 11 mm.
3. Thread of the screw-in part of the candle body M18x1 class. 2a
4. Thread for the union nut of the shielding elbow M18x1 class. 2a
5. The gap between the central and side electrodes (the width of the annular band for ceramics) is 0.8–1.0 mm.

Payment & delivery

All shipments are carried out from our international warehouse in Dubai (UAE), as well as from our partners’ remote warehouses.

In Stock — items available in stock at the Dubai warehouse are dispatched within 5–10 business days after receiving 100% prepayment.

Remote Stock — items available at our partners’ remote warehouses are supplied within an average of 30–45 business days after receiving 100% prepayment.

Pre-Order — made-to-order products are manufactured and delivered within an average of 45–60 business days. Payment terms: 50% advance payment to start production, with the remaining 50% paid before dispatch from the Dubai warehouse after full readiness for shipment.

Returns & Changes (Restocking Fee)
For selected items, a RESTOCKING FEE of 10% may apply in case of return, order cancellation, or changes to the order specifications. This condition applies only to certain products and is confirmed at the order approval stage.

Warranty
All products are covered by a standard 6-month warranty.
Extended warranty is available upon request and is agreed individually; it may affect the final product price.

  • Description
  • Details
  • Payment & delivery

SPN-4-3T spark plug - designed to ignite the fuel-air mixture when starting the engine. Constructively made non-separable, with ceramic insulation, shielded. The spark gap of the candle is the surface of the ceramic insulator between the central and side electrodes, on which the sprayed material of the electrodes is applied by electro-erosion.

1. Weight – 5 gr.
2. The length of the thread of the screwed part of the candle body is 11 mm.
3. Thread of the screw-in part of the candle body M18x1 class. 2a
4. Thread for the union nut of the shielding elbow M18x1 class. 2a
5. The gap between the central and side electrodes (the width of the annular band for ceramics) is 0.8–1.0 mm.

All shipments are carried out from our international warehouse in Dubai (UAE), as well as from our partners’ remote warehouses.

In Stock — items available in stock at the Dubai warehouse are dispatched within 5–10 business days after receiving 100% prepayment.

Remote Stock — items available at our partners’ remote warehouses are supplied within an average of 30–45 business days after receiving 100% prepayment.

Pre-Order — made-to-order products are manufactured and delivered within an average of 45–60 business days. Payment terms: 50% advance payment to start production, with the remaining 50% paid before dispatch from the Dubai warehouse after full readiness for shipment.

Returns & Changes (Restocking Fee)
For selected items, a RESTOCKING FEE of 10% may apply in case of return, order cancellation, or changes to the order specifications. This condition applies only to certain products and is confirmed at the order approval stage.

Warranty
All products are covered by a standard 6-month warranty.
Extended warranty is available upon request and is agreed individually; it may affect the final product price.

Didn’t find the parts you need? Contact us — we will assist in sourcing them.

Send your request — we will provide availability, lead time, pricing, and delivery details.
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