Alfa Romeo Bosch Spark Plugs Information

BOSCH SUPER CLASS PLATINUM+2 SPARK PLUG

Bosch Super Class Platinum+2 Spark Plug uses surface air gap firing technology and dual yttrium enhanced ground electrodes for longer life and has more platinum for smoother acceleration and optimum engine performance.

Specifications:

• 14 mm thread size
• 19 mm reach
• 16 mm hex size
• Platinum plug
• Gasket seat style
• Interference suppression resistor
• Surface air gap plug
• Heat fused platinum center electrode
• 2 ground electrodes
• Heat range 7

Features:

• Fine wire platinum center electrode which is heat fused into the extended ceramic insulator reduces the voltage necessary to jump the gap as well as reduces quenching
• Reaches self cleaning temperature faster for quicker starts and increased fuel efficiency

Series: Bosch Platinum+2

Quantity Sold: Sold individually

Warranty: 12-month or 12,000-mile Bosch limited warranty

Part #: BS4303

BOSCH PREMIUM CLASS PLATINUM+4 SPARK PLUG

Bosch Premium Class Platinum+4 Spark Plug contains the most platinum in the Bosch Platinum Plug Series and has a unique firing technology that combines the advantages of surface air gap technology and 4 yttrium enhanced ground electrodes.

Specifications:

• 14 mm thread size
• 19 mm reach
• 16 mm hex size
• 1.6 mm gap
• Platinum plug
• Gasket seat style
• Interference suppression resistor
• Surface air gap plug
• Heat fused platinum center electrode
• 4 ground electrodes
• Solid terminal nut
• Heat range 7

Features:

• Reduces the voltage necessary to jump the gap as well as quenching
• Provides multiple radial spark paths and surface air gap design that creates optimal exposure of the air/fuel mixture to the enhanced ignition spark
• Yttrium-enhancement of the ground electrodes further extend plug life
• Designed to reach self cleaning temperature faster for quicker starts, smoother acceleration, and increased fuel efficiency

Series: Bosch Platinum+4

Quantity Sold: Sold individually

Warranty: 12-month or 12,000-mile Bosch limited warranty

Part #: BS4417

BOSCH SUPER CLASS PLATINUM+2 SPARK PLUG

Bosch Super Class Platinum+2 Spark Plug uses surface air gap firing technology and dual yttrium enhanced ground electrodes for longer life and has more platinum for smoother acceleration and optimum engine performance.

Specifications:

• 14 mm thread size
• 19 mm reach
• 20.6 mm hex size
• Platinum plug
• Gasket seat style
• Interference suppression resistor
• Surface air gap plug
• Heat fused platinum center electrode
• 2 ground electrodes
• Heat range 7

Features:

• Fine wire platinum center electrode which is heat fused into the extended ceramic insulator reduces the voltage necessary to jump the gap as well as reduces quenching
• Reaches self cleaning temperature faster for quicker starts and increased fuel efficiency

Series: Bosch Platinum+2

Quantity Sold: Sold individually

Warranty: 12-month or 12,000-mile Bosch limited warranty

Part #: BS4310

BOSCH PREMIUM CLASS PLATINUMIR FUSION SPARK PLUG -- Iridium platinum, 14 mm thread, 19 mm reach, 16 mm hex size, gasket seat, interference suppression resistor, surface air gap plug, 4 ground electrodes, iridium-platinum fused center electrode, heat range 7; Fuses iridium with platinum and combines the superior properties ob both materials into a single fine wire center electrode; Uses surface air gap technology and 4 yttrium enhanced ground electrodes for both performance and extra long life; Reduces the voltage necessary to jump the gap as well as reduces quenching; Provides multiple radial spark paths and surface air gap design that creates optimal exposure of the air/fuel mixture to the enhanced ignition spark; Designed to give exceptional performance, reach self cleaning temperature faster for quicker starts, smoother acceleration and increased fuel efficiency.

Series: Bosch Platinum IR Fusion

Quantity Sold: Sold individually

Warranty: 12-month or 12,000-mile Bosch limited warranty

Part #: BS4503

BOSCH REGULAR CLASS SUPER PLUS SPARK PLUG -- 14 mm thread size, 19 mm reach, 20.8 mm hex size, gasket seat, interference suppression resistor, yttrium enhanced copper core center electrode, tapered V-profile nickel ground electrode, removable terminal nut, 0.8 mm gap, heat range 7; Features a heavy duty yttrium enhanced copper core center electrode for superior reliability and increased resistance to spark erosion; Tapered V-profile nickel ground electrode provides improved starting in cold weather and increased fuel ignitibility; Metal glass fused resistor allows for maximum interference suppression while the ribbed insulator design prevents misfires due to current leakage.

Series: Bosch Super Plus

Quantity Sold: Sold individually

Warranty: 12-month or 12,000-mile Bosch limited warranty

Part #: BS7900

BOSCH PREMIUM CLASS PLATINUM+4 SPARK PLUG

Bosch Premium Class Platinum+4 Spark Plug contains the most platinum in the Bosch Platinum Plug Series and has a unique firing technology that combines the advantages of surface air gap technology and 4 yttrium enhanced ground electrodes.

Specifications:

• 14 mm thread size
• 19 mm reach
• 20.6 mm hex size
• Platinum plug
• Gasket seat style
• Interference suppression resistor
• Surface air gap plug
• Heat fused platinum center electrode
• 4 ground electrodes
• Heat range 7

Features:

• Reduces the voltage necessary to jump the gap as well as quenching
• Provides multiple radial spark paths and surface air gap design that creates optimal exposure of the air/fuel mixture to the enhanced ignition spark
• Yttrium-enhancement of the ground electrodes further extend plug life
• Designed to reach self cleaning temperature faster for quicker starts, smoother acceleration, and increased fuel efficiency

Series: Bosch Platinum+4

Quantity Sold: Sold individually

Warranty: 12-month or 12,000-mile Bosch limited warranty

Part #: BS4477

BOSCH REGULAR CLASS SUPER PLUS SPARK PLUG -- 14 mm thread size, 19 mm reach, 20.8 mm hex size, gasket seat, interference suppression resistor, yttrium enhanced copper core center electrode, tapered V-profile nickel ground electrode, removable terminal nut, 0.8 mm gap, heat range 5; Features a heavy duty yttrium enhanced copper core center electrode for superior reliability and increased resistance to spark erosion; Tapered V-profile nickel ground electrode provides improved starting in cold weather and increased fuel ignitibility; Metal glass fused resistor allows for maximum interference suppression while the ribbed insulator design prevents misfires due to current leakage.

Series: Bosch Super Plus

Quantity Sold: Sold individually

Warranty: 12-month or 12,000-mile Bosch limited warranty

Part #: BS7992

BOSCH OE TYPE PREMIUM CLASS PLATINUM SPARK PLUG -- Platinum plug, 14 mm thread size, 19 mm reach, 16 mm hex size, gasket seat, resistor, platinum tipped center electrode, removable terminal nut, 0.6096 mm gap; Features platinum center electrode that is heat fused into the extended ceramic insulator; Reaches self cleaning temperature faster for quicker starts, smoother acceleration and increased fuel efficiency; Tapered V-profile nickel ground electrode provides improved starting in cold weather and increased fuel ignitability.

Series: Bosch Platinum Plus

Quantity Sold: Sold individually

Warranty: 12-month or 12,000-mile Bosch limited warranty

Part #: BSF5DP0R

BOSCH SUPER CLASS PLATINUM PLUS SPARK PLUG

Bosch Super Class Platinum Plus Spark Plug reaches self cleaning temperature faster for quicker starts, smoother acceleration, and increased fuel efficiency. Metal glass fused resistor allows for maximum interference suppression while the ribbed insulator design prevents misfires due to current leakage.

Specifications:

• 14 mm thread size
• 19 mm reach
• 20.8 mm hex size
• 0.7 mm gap
• Platinum plug
• Gasket seat style
• Interference suppression resistor
• Heat fused platinum center electrode
• Tapered yttrium enhanced ground electrode
• Removable terminal nut
• Heat range 5

Features:

• Platinum center electrode that is heat fused into the extended ceramic insulator
• Tapered V-profile nickel ground electrode provides improved starting in cold weather and increased fuel ignitability

Series: Bosch Platinum Plus

Quantity Sold: Sold individually

Warranty: 12-month or 12,000-mile Bosch limited warranty

Part #: BS4038

BOSCH SUPER CLASS PLATINUM PLUS SPARK PLUG

Bosch Super Class Platinum Plus Spark Plug reaches self cleaning temperature faster for quicker starts, smoother acceleration, and increased fuel efficiency. Metal glass fused resistor allows for maximum interference suppression while the ribbed insulator design prevents misfires due to current leakage.

Specifications:

• 14 mm thread size
• 19 mm reach
• 20.8 mm hex size
• 0.8 mm gap
• Platinum plug
• Gasket seat style
• Interference suppression resistor
• Heat fused platinum center electrode
• Tapered yttrium enhanced ground electrode
• Removable terminal nut
• Heat range 7

Features:

• Platinum center electrode that is heat fused into the extended ceramic insulator
• Tapered V-profile nickel ground electrode provides improved starting in cold weather and increased fuel ignitability

Series: Bosch Platinum Plus

Quantity Sold: Sold individually

Warranty: 12-month or 12,000-mile Bosch limited warranty

Part #: BS4016