NGK 4853 spark plug for the 2007-2008 BMW Alpina B7 V8 4.4L and other vehicles ignites the air-fuel mixture in the cylinder. It is one of the NGK spark plugs in the Laser Platinum line and has a double platinum metallurgy.
- Fine wire platinum alloy center electrode for long wear and high temperature resistance
- Platinum tip on the ground electrode for ignitability and service life, unless the application specifies otherwise
- Solid copper core, 98% pure, for heat dissipation, conductivity and wide heat ranges
- High-grade pure alumina ceramic that helps resist overheating and supports reliable starts
- Trivalent metal plating for anti-corrosion and anti-seizing properties, which eases installation and removal
Quick facts
- Part: NGK 4853 spark plug
- Fits: 2007-2008 BMW Alpina B7 V8 4.4L and other vehicles
- Condition: New
Hard starting, a rough idle or a misfire can come from worn plugs. A failing ignition coil, a fuel injector problem or a vacuum leak can be behind those signs too, so find the cause before buying plugs. The 2007-2008 BMW Alpina B7 V8 4.4L takes eight plugs.
Fits
The 2007-2008 BMW Alpina B7 V8 4.4L, the 1995-1997 Audi S6 5-cylinder 2.2L and the 1992-1994 Audi S4 5-cylinder 2.2L are among the vehicles this plug fits, and it fits more. It is recommended for vehicles with OE fine wire platinum alloy plugs. Open the "Vehicles it fits" section to check your exact model and engine.
Specifications
Fit and size
- Quantity per vehicle: 8 (V8-4.4L), 5 (L5-2.2L)
- Thread size: M14 - 1.25
- Thread reach: 0.750 in (19.0 mm)
- Hex size: 5/8 in (16 mm)
- Gap: .028 in (0.7 mm)
Build and materials
- Metallurgy: double platinum
- Center electrode: fine wire
- Insulator: ceramic
- Condition: New
- NGK part number: PFR7B
Interchange: PFR7B
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
Is this Audi S4 spark plug right for the 1992-1994 S4 5-cylinder 2.2L?
Yes. NGK 4853 fits the 1992-1994 Audi S4 5-cylinder 2.2L, which takes five plugs.
Is this one of the Audi S6 spark plugs for the 1995-1997 S6 5-cylinder 2.2L?
Yes. NGK 4853 fits the 1995-1997 Audi S6 5-cylinder 2.2L, and that engine takes five plugs.
What gap and thread does the NGK 4853 spark plug have?
The NGK 4853 has a .028 in (0.7 mm) gap and an M14 - 1.25 thread with a 0.750 in (19.0 mm) reach.
Does this Laser Platinum plug have platinum on the ground electrode?
Yes. Its metallurgy is double platinum, with a fine wire platinum alloy center electrode and platinum protection at the ground electrode.
Is NGK PFR7B the same plug as the 4853?
Yes. NGK lists this plug under both 4853 and PFR7B, so a search for either number finds the same part.
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