Bosch is an original equipment global leader in mass air flow technology. Bosch Mass Air Flow (MAF) sensors ensure low levels of harmful emissions with greater fuel efficiency and improved engine performance.

Bosch Manifold Absolute Pressure (MAP) Sensors provide accurate air pressure measurement to very fine tolerances for efficient engine performance.

Bosch Crankshaft Position Sensors provide accurate detection of the engine speed: the engine speed is the main control variable for the ignition timing.

Bosch Camshaft Position Sensors determine engine position based on the location of the camshaft: engine position is used for determining injection and ignition sequence.

Bosch Knock Sensors are highly accurate and sensitive to detect engine knock, ensuring efficient performance and long life of your vehicle.

Bosch Throttle Position Sensors, using OE or better technology, are designed to record vast measurement data with incredible accuracy.

Air Temperature Sensors measure the temperature of the incoming air to the engine. This information is provided to the Engine Control Module (ECU) to determine the correct amount of fuel needed for optimum performance and economy.

Bosch Liquid Temperature Sensors accurately monitor the vital fluids in your vehicle ensuring long and healthy life. The sensor provides information to the Engine Control Unit to keep your engine running strong, safe, and efficient.

Bosch Low Pressure Sensors are compact, durable, and vibration-resistant with outstanding measuring accuracy to ensure your vehicles fluids are at their optimal pressures.

All Bosch High Pressure Sensors provide very reliable and accurate measurements and have extremely fast response times to ensure your vehicle runs as intended.

Bosch C40-Li and C80-Li Battery Chargers are engineered to keep your vehicle’s battery in optimal condition – providing reliable starting power and longer battery life. These user-friendly chargers offer advanced technology and versatile modes to suit various battery types and charging needs – including 12 V lithium (LiFePO4) and 6 V/12 V lead-acid (AGM, EFB, GEL and SLI ) batteries in motorcycles, cars, powersport vehicles, light-duty trucks, RVs and motorboats.

The Bosch S6 High Performance AGM Battery uses cutting edge technology that provides constant optimum power even for short trips and stop-and-go traffic, up to 2x longer lifetime, flushed tops for minimized risk of acid leakage, dependable power in accordance with OEM requirements, excellent charge acceptance, better vibration resistance, free roadside assistance and a 4 year free replacement warranty. It is the only choice for start-stop vehicles and made with full frame grid technology, acid absorbing micro fiber glass matts and extra robust connections inside to extend lifetime and maximize reliability.

The Bosch S5 Battery is the powerhouse for recent car models with high electronic demand that provides optimum starting power and long service life, flushed tops for minimized risk of acid leakage, dependable power in accordance with OEM requirements, free roadside assistance and a 3 year free replacement warranty. It uses full frame grid technology, highly protective pocket separators and robust connections inside to extend lifetime and maximize reliability.

Bosch Professional Preferred Remanufactured Starter Motors are built for extreme heat, cold and high demand. Every engine starter component is 100% factory tested prior to and during remanufacturing to assure it meets or exceeds original equipment specifications.

Bosch Long Haul Commercial Starters are engineered with many new technical features specifically designed to outlast and outperform the original equipment starters on some of the toughest service equipment in use today.

Bosch Long Haul® Starters carry a 3yr/350K miles warranty. The Bosch SR9920LH, SR9921LH, SR9922LH are typically more powerful, lighter or smaller than competitive 3yr/350K warranty products

Bosch has been a major supplier of new alternators to Original Equipment vehicle manufacturers since 1913. Securing OE certification requires strict adherence to stringent precision and performance criteria. These same exacting criteria are also applied in the manufacturing of all Bosch aftermarket alternators. Bosch Premium Alternators are quality built and 100% factory tested to ensure years of reliable performance, even under the most extreme operating conditions.

Bosch Remanufactured Alternators have more new parts and are performance tested to ensure longer, more reliable operation with maximum performance.

Bosch has developed a series of superior Long Haul alternators exclusively for the American heavy duty market. These alternators have been specially engineered, employing cutting edge technology and processes, to deliver superior performance and reliability over the long run.

Just four (4) SKUs of Bosch Refrigeration Alternators provide coverage for the most popular units in operation today. Bosch OE voltage regulator technology makes Bosch the choice for refrigeration units.

Bosch School Bus Alternators are revolutionizing the School Bus industry with high efficiency alternator technology that has delivered maximum charging power through millions of tough stop-and-go miles worldwide.

Bosch 100% New Universal Alternators, available in both 90- and 120-amp versions provide great performance and an upgrade in amperage for many popular heavy duty truck, agricultural and industrial applications.

Bosch is revolutionizing the commercial vehicle industry with high output technology. The Bosch AL9964SB represents the next generation of commercial vehicle charging technology, delivering more power and greater output at engine idle than competitive alternators. With 275 amps max output and an amazing 210 amp charge rate at idle helps maximize battery life by reducing battery deep cycling. This alternator stands up under all operating conditions.

Supplies the optimal amount of urea fluid (Diesel Exhaust Fluid or DEF) to dosing module.

Introduces urea fluid into exhaust system to reduce nitrogen oxides (NOx) emission levels

Ensures proper fluid temperature and thaws DEF when below 12°F

Bosch Exhaust Gas Temperature (EGT) sensors provide accurate, real-time monitoring of exhaust temperatures to protect key engine and aftertreatment components. By ensuring the optimal temperature range, they help prevent damage to turbos, catalytic converters, DPF's, and SCR systems while enabling efficient regeneration and reduced emissions. EGT sensors also supply the ECU with critical data to help optimize dosing and initiate regeneration events at the right time. Built with robust, heat-resistant materials and validated to OE standards, Bosch EGT sensors deliver long service life and reliable performance even under extreme thermal loads.

Bosch Nitrogen Oxide (NOx) sensors precisely measure the concentration of nitrogen oxides in the exhaust stream to ensure efficient SCR catalyst performance. By delivering real-time data to the ECU, NOx sensors enable accurate dosing of DEF, improved fuel efficiency, and compliance with strict emission standards. Built with advanced electrochemical sensing elements and robust housings to withstand extreme exhaust conditions, Bosch NOx sensors provide long service life and consistent accuracy. Bosch offers a full line of robust, durable, and accurate NOx sensors to the aftermarket with the same sensors currently trusted by OE manufacturers.