NGK 4536 spark plug for the 1975-1976 Oldsmobile Cutlass Salon V8 7.5L, the 1975-1977 Cutlass Salon V8 5.7L, the 1975-1980 Cutlass Salon V8 4.3L, the 1977 Cutlass Salon V8 6.6L, the 1979 Cutlass Salon V8 5.7L and other vehicles ignites the air-fuel mixture in each cylinder. Among NGK spark plugs, this one is meant for engines that run OE nickel alloy plugs and is not recommended where factory precious metal plugs are fitted.
- NGK V-Power line plug with a nickel alloy center electrode
- V-cut nickel alloy center electrode and concave ground electrode for quicker starts and smoother idle
- High grade alumina silicate ceramic insulator for dielectric performance
- Trivalent metal plating for anti-corrosion and anti-seizing properties
- Solid copper core of 98% pure copper for heat dissipation and conductivity
- Cold-rolled threads that help prevent cross-threading and damage to cylinder heads
Quick facts
- Part: NGK 4536 spark plug
- Fits: the 1975-1976 Oldsmobile Cutlass Salon V8 7.5L, the 1975-1977 Cutlass Salon V8 5.7L, the 1975-1980 Cutlass Salon V8 4.3L, the 1977 Cutlass Salon V8 6.6L, the 1979 Cutlass Salon V8 5.7L and other vehicles
- Condition: New
Hard starting, a rough idle or a misfire can mean a plug is worn, though the spark plug wires or the ignition coil can be behind the same signs, so find the cause before you replace the plug.
Fits
The 1973-1976 Oldsmobile Cutlass Supreme V8 7.5L, the 1975-1977 Cutlass Supreme V8 5.7L, the 1975-1982 Cutlass Supreme V8 4.3L, the 1977 Cutlass Supreme V8 6.6L, the 1979-1980 Cutlass Supreme V8 5.7L, the 1982-1984 Cutlass Supreme V8 5.0L, the 1973-1976 Oldsmobile Delta 88 V8 7.5L, the 1975-1980 Delta 88 V8 5.7L, the 1977-1979 Delta 88 V8 6.6L, the 1977-1982 Delta 88 V8 4.3L and the 1980-1984 Delta 88 V8 5.0L all take this plug, and so do other vehicles. The 1973-1976 Cutlass Supreme V8 7.5L takes eight, one per cylinder.
Specifications
Fit and size
- Quantity per vehicle: 8 on the V8 engines, 6 on the V6-3.8L
- Thread size: M14 - 1.25
- Thread reach: 0.375 in (9.5 mm)
- Hex size: 13/16 in
- Gap: 0.060 in (1.5 mm)
- Seat type: crush
- Projection: mid projection
Build and materials
- Center electrode: V-cut nickel alloy
- Ground electrode: concave
- Insulator: high grade alumina silicate ceramic
- Core: solid copper, 98% pure copper
- Plating: trivalent metal
- NGK part number: XR45
- Condition: New
Interchange: XR45
Frequently Asked Questions
Does the NGK 4536 spark plug fit the 1975-1976 Oldsmobile Cutlass Salon V8 7.5L?
Yes. The NGK 4536 fits the 1975-1976 Oldsmobile Cutlass Salon V8 7.5L. If your car is not one of those named here, check the "Vehicles it fits" section for your year and engine.
What are the thread size and gap of the NGK 4536 spark plug?
The NGK 4536 has an M14 - 1.25 thread and a gap of 0.060 in (1.5 mm). It also has a 13/16 in hex and a crush seat.
What is the center electrode of the NGK V-Power 4536 plug made of?
This plug has a V-cut nickel alloy center electrode and a solid copper core of 98% pure copper. Trivalent metal plating gives it anti-corrosion and anti-seizing properties.
How do I know if an NGK V-Power plug is worn?
Hard starting, a rough idle or a misfire can mean a plug is worn. With the engine off and cool, a removed plug can be checked for a gap that no longer matches the 0.060 in (1.5 mm) spec.
Can I use NGK V-Power plugs on an engine with factory precious metal plugs?
No. The NGK 4536 is not recommended on engines with factory precious metal plugs. It is meant for engines that run OE nickel alloy plugs.
