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High-Quality Ignition Solution for Optimal Engine Performance
The Autolite Spark Plug 308 is engineered to provide reliable ignition and enhanced performance for a variety of vehicles. With over a century of experience in the automotive industry, Autolite delivers products that meet or exceed original equipment specifications, ensuring efficient engine operation and longevity.
Features
- Copper-Glass Seal bonds the insulator and terminal post center electrode, ensuring full voltage at the spark gap with a gas-tight seal that is 100 percent leak-proof.
- Multi-rib insulator design minimizes the risk of "flash-over," enhancing safety and reliability.
- One-piece terminal post construction adds strength and durability.
- Cold-formed steel shell with precision rolled threads for a secure fit.
- Full copper core electrode enhances performance across all driving conditions.
- Designed to deliver quick starts, improved fuel economy, and smooth acceleration.
- Resistor technology reduces radio frequency interference (RFI) and minimizes electrode erosion.
Specifications
- Manufacturer: Autolite Spark Plugs
- Manufacturer Part Number: 308
- Resistor: Yes
- Electrode Type: OEM
- Electrode Core Material: Copper
- Electrode Tip Material: Nickel Alloy
- Insulator Type: Non-Projected
- Thread Size (IN): 0.551 Inch
- Quantity: Single
- Reach: 3/8 Inch
- Seat Type: Gasket
- Wrench Diameter: 13/16 Inch
Compatibility/Fit
- 1942-1942 Buick Century Series 60
- 1942-1942 Buick Limited Series 90
- 1942-1942 Buick Roadmaster Series 70
- 1942-1942 Buick Special Series 40-A
- 1942-1942 Buick Super Series 50
- 1937-1938 Cadillac Series 60
- 1942-1942 Cadillac Series 60
- 1938-1938 Cadillac Series 60 Special
- 1937-1938 Cadillac Series 65
- 1936-1937 Cadillac Series 70
- 1936-1938 Cadillac Series 75
- 1947-1947 Oldsmobile F-47
- 1947-1947 Oldsmobile G-47
- 1947-1947 Oldsmobile L-47
- 1942-1942 Oldsmobile Series 66
- 1946-1948 Oldsmobile Series 66
- 1942-1942 Oldsmobile Series 68
- 1947-1948 Oldsmobile Series 68
- 1942-1942 Oldsmobile Series 76
- 1946-1949 Oldsmobile Series 76
- 1942-1942 Oldsmobile Series 78
- 1946-1948 Oldsmobile Series 78
- 1942-1942 Oldsmobile Series 98
- 1946-1948 Oldsmobile Series 98
- 1951-1952 Packard 200
- 1951-1952 Packard 250
- 1951-1952 Packard 300
- 1953-1954 Packard Cavalier
- 1953-1954 Packard Clipper
- 1950-1950 Packard Custom Eight
- 1950-1950 Packard Deluxe Eight
- 1954-1954 Packard Packard
- 1951-1954 Packard Patrician
- 1950-1950 Packard Standard Eight
- 1950-1950 Packard Super Deluxe Eight
- 1950-1950 Packard Super Eight
- 1942-1942 Willys 442
- 1942-1942 Willys Americar
- 1942-1942 Willys Speedway
Shipping & Returns
- This product ships to the US and Canada.
- This product typically ships within 1 to 3 business days.
- Returns are accepted within 30 days for items in like-new condition.
