1948 Porsche 356 Car Parts & Accessories

National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:

• Design type: spring loaded; multi-lip
• Temperature range: -40 Deg. F to 225 Deg. F / -40 Deg. C to 107 Deg. C
• Good low temperature capability
• Low swell in hydrocarbon fluids
• Delivers quality and reliable performance for every type of repair

The Copper Plus spark plug is engineered for dependable performance and durability, making it an ideal OE-type replacement. Featuring a copper core center electrode, it ensures precise heat control for extended lifespan and consistent wear. Its nickel-tipped center and ground electrodes enhance conductivity while resisting fouling, ensuring reliable ignition under various conditions. Built to ISO and SAE Standards, this spark plug delivers proven performance and superior corrosion resistance, making it a trusted choice for maintaining engine efficiency. With a flat seat design and standard-grade construction, it offers compatibility with a wide range of vehicles, providing excellent value for drivers seeking long-lasting and reliable ignition components.

Product Features:

• Resists fouling
• Superior corrosion resistance
• Dependable and proven performance
• Increased conductivity and heat control for good overall wear

Autolite Copper spark plugs are designed to provide reliable performance and quick starts, ensuring your vehicle meets its power demands. Featuring a copper core center electrode, these spark plugs excel in thermal control and resist fouling, enhancing overall efficiency. The high nickel alloy center and ground electrodes are engineered for extended life, while the mid-projection design ensures optimal ignition performance. Built with a high alumina multi-rib ceramic insulator, these plugs offer superior thermal conductivity and insulation, boosting strength and reliability. The nickel-plated shell resists corrosion, ensuring durability even under demanding conditions. With a flat seat type and regular grade construction, these spark plugs are a dependable choice for maintaining consistent engine performance.

Product Features:

• The copper core center electrode aids in thermal control and improves resistance to fouling.
• Its specially engineered high nickel alloy center and ground electrode provides extended life.
• The high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength.
• Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended periods.
• The mid-projection center electrode design ensures optimal ignition performance, contributing to consistent engine efficiency.

Carquest Premium ignition coils meet or exceed original equipment (OE) specifications and are developed by top OE/OES manufacturers to ensure superior performance. All of our Carquest Premium ignition coils are developed by IATF 16949 certified manufacturers for consistent durability and long-lasting performance. These ignition coils use high-quality components and will utilize optimized designs on applications where the OE ignition coil had frequent failures. We require stringent testing standards to ensure proper fit and performance for each application and stand behind our Carquest Premium ignition coils with an industry-leading warranty. Carquest Premium ignition coils are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.

Product Features:

• Built by IATF 16949 certified manufacturers for consistent durability
• Coil drivers match OE for current limit, electrostatic discharge (ESD) protection and multi-spark
• Segmented secondary bobbins to distribute high voltage and prevent shorting
• 100% end-of-line tested to ensure proper performance
• Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413

Carquest Premium ignition coils meet or exceed original equipment (OE) specifications and are developed by top OE/OES manufacturers to ensure superior performance. All of our Carquest Premium ignition coils are developed by IATF 16949 certified manufacturers for consistent durability and long-lasting performance. These ignition coils use high-quality components and will utilize optimized designs on applications where the OE ignition coil had frequent failures. We require stringent testing standards to ensure proper fit and performance for each application and stand behind our Carquest Premium ignition coils with an industry-leading warranty. Carquest Premium ignition coils are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.

Product Features:

• Built by IATF 16949 certified manufacturers for consistent durability
• Coil drivers match OE for current limit, electrostatic discharge (ESD) protection and multi-spark
• Segmented secondary bobbins to distribute high voltage and prevent shorting
• 100% end-of-line tested to ensure proper performance
• Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413

The original Ignitor module is ideal for restorations. Ignitor Module Kits are extremely easy to install and fit into your original distributor to maintain your stock look. No additional ignition box is required keeping a clean look under the hood. Ignitors are available for most distributors that came with mechanical breaker points and will cover AUTOMOTIVE, MARINE, INDUSTRIAL and AGRICULTURE applications.

Product Features:

• Delivers twice the voltage to the spark plugs, increasing horsepower, fuel economy, and spark plug life.
• 2:1 improvement over “points” in current fall time for increased coil output.
• Rotating cobalt magnets trigger a Hall Effect integrated circuit; no points to burn; no moving parts to wear out.
• Epoxy molding makes our module impervious to dirt, oil, grease and moisture.
• Stable timing; no need for any adjustments.
• Pair with a Flame Thrower Canister Coil for optimal performance
• Legal in all 50 states and Canada (C.A.R.B. E.O. No. D-57-22)

The original Ignitor module is ideal for restorations. Ignitor Module Kits are extremely easy to install and fit into your original distributor to maintain your stock look. No additional ignition box is required keeping a clean look under the hood. Ignitors are available for most distributors that came with mechanical breaker points and will cover AUTOMOTIVE, MARINE, INDUSTRIAL and AGRICULTURE applications.

Product Features:

• Delivers twice the voltage to the spark plugs, increasing horsepower, fuel economy, and spark plug life.
• 2:1 improvement over “points” in current fall time for increased coil output.
• Rotating cobalt magnets trigger a Hall Effect integrated circuit; no points to burn; no moving parts to wear out.
• Epoxy molding makes our module impervious to dirt, oil, grease and moisture.
• Stable timing; no need for any adjustments.
• Pair with a Flame Thrower Canister Coil for optimal performance
• Legal in all 50 states and Canada (C.A.R.B. E.O. No. D-57-22)

PEAK ORIGINAL EQUIPMENT TECHNOLOGY ANTIFREEZE + COOLANT for EUROPEAN VEHICLES is a line of premium coolants specifically designed to match the technology and color requirements of European vehicles. Each coolant is formulated with the same corrosion inhibitor technology that protected your vehicle straight from the factory. Color cues on the packaging and a list of covered vehicles on the front label make it easy to identify the right match for your specific vehicle. PEAK ORIGINAL EQUIPMENT TECHNOLOGY ANTIFREEZE + COOLANT for EUROPEAN VEHICLES – BLUE is an ethylene glycol-based antifreeze/coolant specifically developed for use in any European vehicle requiring a Blue silicate-enhanced hybrid organic acid technology (Si-HOAT) formula. It contains high-quality organic and inorganic corrosion inhibitors and is free of nitrite, phosphate and amines chemicals. PEAK ORIGINAL EQUIPMENT TECHNOLOGY ANTIFREEZE + COOLANT for EUROPEAN VEHICLES – BLUE meets the performance requirements of ASTM D3306 and BS 6580. With a complete flush and fill, PEAK guarantees this coolant will provide service life protection of up to 150,000 miles or 5 years.

Product Features:

• Matches each European vehicle manufacturer’s technology and color requirements
• Protects all cooling system metals from rust and corrosion
• Meets the performance requirements of ASTM D3306 and BS 6580
• Service life of up to 5 years/150,000 miles with a complete cooling system flush and fill
• Color-coding and vehicle applications listed on the front simplify selecting the right antifreeze/coolant
• Available as both concentrate and 50/50 products to do the job right
• Testing Requirements: For proper freeze and boil over protection, use a traditional refractometer or hydrometer to measure the percentage of ethylene glycol by volume.

PEAK Antifreeze + Coolant Concentrate is specially engineered to deliver guaranteed superior lifetime protection. Its advanced universal formula contains a proprietary blend of 10X the scale-fighting inhibitors coupled with robust organic additives to fight against the damaging effects of scale deposits and corrosion. PEAK Antifreeze + Coolant is free of 2-EHA, silicate, nitrite, borate, and amines, ensuring maximum cooling system performance for 10 years/300,000 miles. It is compatible for use with any color or type of antifreeze/coolant in the system.

Product Features:

• Specially formulated to deliver Superior Lifetime Protection against damaging scale and corrosion
• Contains 10X the scale-fighting inhibitors to ensure maximum cooling system performance
• Provides more coverage for 10+ years/300,000+ miles of service
• Universal formula is compatible with any color or type of antifreeze/coolant
• Meets the performance requirements of ASTM D3306 and D4985

FRAM Conventional Green Concentrate is an ethylene glycol-based product for use in car and light duty trucks that are already using a conventional coolant. The inhibitors prevent rust, corrosion, and provide freeze-up and boil-over protection. When used as directed, the Prime Green Concentrate Low Silicate formula provides full protection for a minimum of one year.

Product Features:

• Low Silicate Formula.
• When used as directed, will provide protection for a minimum of 1 year
• Meets or exceeds ASTM requirements for cars, light duty trucks
• Concentrated formula. Must mix with high quality (distilled/deionized) water to the desired ratio. Can be used for top-off, complete drain and refill or flush and refill of the cooling system.

Antifreeze Conventional Green 50/50 is an ethylene glycol-based product for use in car and light duty trucks that are already using a conventional coolant. The inhibitors prevent rust, corrosion, and provide freeze-up and boil-over protection. Prime Green 50/50 can be used to top-off cooling systems in vehicles using conventional AF/C, will not harm rubber parts, and meets ASTM D3306 and D4985 standards.

Product Features:

• Low Silicate Formula.
• When used as directed, will provide protection for a minimum of 1 year
• Meets or exceeds ASTM requirements for cars, light duty trucks
• Ready to Use formula (prediluted to a 50% Eg & 50% distilled water mix). Perfect for small volume top-off or complete drain and refill of the cooling system

DieHard Heavy Duty batteries deliver the starting power your heavy duty applications need. These batteries are designed for commercial trucks, heavy duty and agricultural applications.

Product Features:

• Full frame stamped positive grid design provides increased corrosion resistance and superior cranking power.
• High-density paste improves cycling capability
• Polypropylene ribbed case and reinforced end-walls for extra durability
• Anchor bonding locks elements in place to dramatically improve life with superior vibration resistance

The OPTIMA REDTOP high-performance AGM battery is the ULTIMATE POWER SOURCE designed to deliver the strongest starting power. With unparalleled high power delivery and extreme resistance to the most common causes of battery failure, REDTOP is ideal for trucks, SUVs, hot rods, street cars and other high-performance applications that require a spill-proof starting battery. Key benefits of REDTOP Batteries include the strongest starting burst, up to 3X longer life, 15X more vibration-resistant, virtually spill proof, mountable in virtually any position, and maintenance-free, with faster recharging and optimal starting power.

Product Features:

• Faster recharging capabilities
• Maintenance free for maximum convenience
• Completely non-spillable, mountable in many positions
• 15x the vibration resistance of a standard flooded battery
• Up to 3 times longer life vs. standard flooded batteries
• SPIRALCELL TECHNOLOGY with 99.99% pure lead delivers more power and consistently outperforms conventional flat-plate batteries

Carquest Premium Oil Cartridge Filters protect your engine by removing contaminants, such as dirt, metal particles, and sludge, from your engine oil. These filters effectively remove contaminants that can cause significant wear and damage to critical engine components. The cartridge design installs in a housing, allowing for easy servicing and replacement. By keeping the oil clean, these filters help ensure proper lubrication and cooling, reduce friction and help extend engine life. Carquest Premium Oil Cartridge Filters are designed to meet or exceed the performance requirements of the Original Equipment Manufacturer (OEM).

Product Features:

• Designed to meet or exceed OE filter performance levels over the entire OE recommended service interval.
• Made in USA

FRAM Cartridge Oil Filters are built to meet or exceed OE specifications.

Product Features:

• Designed to deliver enhanced efficiency and capacity