Description
The NGK BPR5ES (Stock #7734) is a standard nickel spark plug designed for dependable OE-style performance across a wide range of automotive applications. Featuring a projected tip, copper core, removable terminal nut, and 0.9 mm pre-gap, it delivers reliable ignition, efficient heat dissipation, and long-lasting everyday performance.
Key Features
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OE-style nickel alloy construction for dependable performance
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Projected tip design promotes efficient combustion and stable ignition
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Copper core improves conductivity and heat transfer
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Removable terminal nut for broader fitment flexibility
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Pre-gapped at 0.9 mm for many compatible applications
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Trivalent metal plating helps resist corrosion and seizure
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Corrugated ribs reduce risk of flashover
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Triple gasket sealing helps prevent combustion gas leakage
Specifications
General
- Part Number: BPR5ES
- Stock Number: 7734
- Brand: NGK
- Plug Type: Nickel
- Heat Range: 5
- Resistor: Yes
- Resistance: 5000 Ohms
- Gap: 0.9 mm
- Warranty: 60 Days
Shell / Dimensions
- Thread Size: M14 - 1.25
- Reach: 19.0 mm
- Hex Size: 13/16"
- Seat Type: Flat
- Washer Type: Crush
- Washer Included: Yes
Electrodes
- Center Electrode Core Material: Copper
- Center Electrode Tip Material: Nickel
- Center Electrode Design: Standard
- Center Electrode Projection: Mid Projection
- Ground Electrode Material: Nickel
- Ground Electrode Quantity: 1
- Ground Configuration: J-Gap
Other
- Electrical Terminal Type: Removable Nut
- Insulator Material: Ceramic
- Insulator Height: 54.0 mm
- Grade Type: Standard Replacement
- Short Style Plug: No
Fitment Highlights
Fits a wide range of classic and import vehicles, including select models from:
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Aston Martin Lagonda, V-8, Virage, Zagato
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Audi 4000, Fox
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BMW 2500, 2800, Bavaria, 3.0CS/CSi/CSL, 320i, 528i, 530i, 533i, 535i, 635CSi, 733i, 735i, L6
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Chevrolet / Geo / GMC Tracker
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Citroen SM
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Jaguar 420, Mark 2, Mark X, XJ, XJ6, XJS, XKE, XK150, Vanden Plas
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Land Rover Defender 90/110, Range Rover
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Lotus Elite, Esprit
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Mazda 626, B2000, B2200, GLC
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Mercedes-Benz 230, 280, 280C, 280CE, 280E, 280SE, 380/420/450/500/560 series
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Nissan 1200, 2000, 200SX, 720, B210, D21, Pathfinder, Van
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Porsche 911, 928, 944
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Renault Alliance, Encore, LeCar
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Rolls-Royce Corniche, Corniche II, Silver Spirit, Silver Spur
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Suzuki Samurai, Sidekick, SJ410, SJ413, LJ81
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Toyota 4Runner, Celica, Corolla, Corona, Cressida, Crown, Hi-Lux, Land Cruiser, Pickup
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Triumph GT6, Spitfire, Stag, TR7, TR8
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Volkswagen Dasher, Rabbit, Rabbit Convertible, Rabbit Pickup, Scirocco
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Volvo 760, DL, GLE
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Yugo Cabrio, GV, GVL, GVS, GVX
Performance Notes
- Best suited for vehicles originally equipped with standard nickel plugs
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Heat range 5 makes it a good general-purpose option for many older and OE-style applications
- The projected tip helps improve ignitability and idle quality
- The removable terminal nut adds compatibility for different ignition lead styles
- Always verify fitment by year, make, model, engine, and OE requirement
Summary
The NGK BPR5ES (7734) is a versatile nickel resistor spark plug with a 14 mm thread, 19 mm reach, 0.9 mm gap, and removable terminal nut. It’s a reliable OE-style replacement for a broad range of classic European, Japanese, and utility vehicles.
