Sparkplugs & Lambdasondes LPG spark plug 54G SFE85PRS Gas

Details

High-performance LPG spark plug 54G SFE85PRS Gas – durable ignition plug for LPG and CNG powered engines

The LPG spark plug 54G SFE85PRS Gas is a premium ignition plug developed for vehicles running on LPG (autogas) or CNG (compressed natural gas). Its nickel-copper electrode ensures strong ignition, cleaner combustion, and extended service life under high operating temperatures. Ideal for both passenger cars and light commercial vehicles converted to LPG.

Technical specifications and features

• Model: 54G SFE85PRS Gas

• Thread size: M14 × 1.25

• Thread length: 19 mm

• Hex size: 21 mm

• Electrode gap: 0.8 mm (can be reduced to 0.7 mm)

• Material: nickel-copper electrode

• Designed for 4- and 6-cylinder LPG/CNG engines

• Excellent heat resistance and spark stability

Benefits

• Consistent ignition under high temperature conditions

• Longer lifespan compared to standard petrol plugs

• Reduced emissions and optimized combustion

• Better fuel efficiency and smoother running

• Direct replacement with no system modification needed

Installation and maintenance

• Install on a cold engine

• Adjust spark gap to 0.7–0.8 mm

• Tighten to approximately 25 Nm

• Check engine operation after fitting

• Replace every 15,000 – 20,000 km for optimal LPG performance

Need assistance?
Send your vehicle’s chassis number, and we’ll recommend the correct LPG spark plugs.
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