TR4 NGK STD V-Groove Resistor Spark Plug | Genuine NGK Spark Plug
TR4 NGK STD V-Groove Resistor Spark Plug | Genuine NGK Spark Plug
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🔧 Product Description
NGK STD V-Groove Resistor Spark Plug – Part Number: TR4
Spark plugs are a critical engine component, providing the spark that ignites the air-fuel mixture that drives an engine. NGK spark plugs feature trivalent plating – a silver/chrome-coloured finish on the threads – for corrosion resistance against moisture and chemicals, and are designed to meet or exceed OE standards.
⚙️ Key Features
- Standard nickel centre electrode
- Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
- Corrugated ribs reduce the risk of flashover
- Pure alumina silicate ceramic insulator, providing superior strength and better heat transfer
- Copper core aids in heat removal
- Triple seals prevent leakage
📏 Specifications
- NGK stock number: 3754
- Thread: 14 mm
- Reach: .708"
- Hex: 16 mm (5/8 in)
- Seat: Tapered
- Terminal: Solid
- Type: Projected
🚘 Application
Listed in NGK's application charts for marine, motorcycle, ATV and snowmobile equipment and lawn, garden and commercial equipment and automotive vehicles. The gap is not the same on all of them – the chart lists between 0.5 mm and 1.5 mm depending on the engine, so check the line for yours.
- Indmar 5.7L LS1 CORVETTE (8 CYL GM SMALL BLOCK) – Inboard Engine
- Omc 4.3L (1998-1997) – Inboard Engine
- Omc 4.3L (262 CID, MODELS WITH S SUFFIXES (.708" REACH), 1996) – Inboard Engine
- Omc 5.0L (1998) – Inboard Engine
- Omc 5.0L COBRA (1996) – Inboard Engine
- Omc 5.7L (1998) – Inboard Engine
- Omc 5.7L (1997) – Inboard Engine
- Volvo-Penta 8.1L GI/GSI – Inboard Engine
- Onan MARQUIS I/III – Lighting Plants and Generator
- Buick Century (1989-1987) – 4-6 per engine
- Buick Century (1993) – 4-6 per engine
- Buick Lucerne (2011-2009) – 4-6 per engine
- Buick Regal (1993-1988) – 4-6 per engine
- Buick Skyhawk (1989-1987) – 4-6 per engine
- Buick Terraza (2007-2006) – 4-6 per engine
- Cadillac Cimarron (1988-1987) – 4-6 per engine
- Chevrolet Beretta (1993-1987) – 4-6 per engine
- Chevrolet Cavalier (1994-1987) – 4-6 per engine
- Chevrolet Celebrity (1990-1987) – 4-6 per engine
- Chevrolet Corsica (1993-1987) – 4-6 per engine
- Chevrolet Impala (2011-2006) – 4-6 per engine
- Chevrolet Lumina (1994-1990) – 4-6 per engine
- Chevrolet Malibu (2010-2006) – 4-6 per engine
- Chevrolet Monte Carlo (2007-2006) – 4-6 per engine
- Chevrolet Uplander (2009-2006) – 4-6 per engine
That is the 25 most common of 39 applications NGK's charts list for this plug – ask us to check yours.
🔄 Supersession & Cross Reference
NGK's cross-reference tables list this plug against these part numbers.
- Champion: 15, 15C2, 15S, 401, 401C2, 401S, 408, 909 and 6 more
- Motorcraft: AGSF33C, AGSF52C, AGSF52CF4, AWSF42, AWSF42C, AWSF42CF4, AWSF42CF6, AWSF52C and 4 more
- ACDelco: 1835044T, 1835182T, 2R44LTSM, 5613611, R43LTSE, R44LTS, R44LTSM, R44LTSMA and 2 more
- Bosch: 7589, 7989, HR10DCX, HR10DCX+
- Autolite: 5245, 5245BP, 5245DP2
- Cummins: 167-0272
- Volvo Penta: 3851868
📦 Condition
- Brand new genuine product
- Supplied in original packaging
Shipping & Delivery
Shipping & Delivery
Flat-rate shipping Australia-wide — $14.99 per order, no matter how many parts you add. Orders dispatch from our Kadina, South Australia store. Need it urgently or want to collect in person? Call us on 0412 532 984 before ordering.
Returns & Warranty
Returns & Warranty
14-day change-of-mind returns — if it's not right or you ordered the wrong part, send it back within 14 days in new, unused condition for a refund or exchange. Manufacturer warranties apply to new parts. Full details in our Refunds & Returns policy.
Not sure this fits?
Not sure this fits?
Ask us before you buy — we check part numbers and fitment every day. Call 0412 532 984 (Mon–Fri 8.30am–4.30pm) or message us through the contact page with your engine or vehicle details.