Bosch
Bosch OEM-Quality Ignition, Fuel & Sensor Components
Bosch invented the automotive spark plug in 1902 and has been at the forefront of automotive technology ever since. As the world's largest supplier of automotive components, Bosch supplies OEM parts to virtually every major vehicle manufacturer on the planet — which means the Bosch part you're installing meets or exceeds the specification of what came out of the factory. For builders and technicians who demand OEM-level quality and reliability in ignition, fuel, and sensor components, Bosch is the standard.
Spark Plugs
Bosch's spark plug lineup covers the full range of automotive applications from standard copper core plugs to platinum, double platinum, and iridium fine-wire designs engineered for extended service life and consistent ignition performance. Their Iridium and Double Iridium plugs feature a 0.6mm fine-wire electrode that delivers a more focused spark, improved ignitability, and reduced misfires under high-load conditions — critical for turbocharged, supercharged, and high-compression naturally aspirated engines.
Bosch spark plugs are available in OEM-specified heat ranges for direct replacement applications and in performance heat ranges for modified engines running higher cylinder pressures or forced induction. Correct heat range selection is critical for plug longevity and engine protection — Bosch's fitment data covers both stock and modified applications.
Fuel Injectors
Bosch manufactures fuel injectors for OEM applications across virtually every major vehicle platform, and their aftermarket injectors carry the same precision atomization, flow consistency, and durability as OEM units. For performance builds requiring higher flow rates, Bosch's high-performance injector lineup offers increased flow capacity in OEM-compatible bodies — a direct swap for stock injectors on EFI engines running forced induction or increased fuel demands.
Bosch fuel injectors are flow-matched and tested before shipping, ensuring consistent fuel delivery across all cylinders for smooth idle, clean throttle response, and accurate fuel trim calibration.
Oxygen Sensors & Engine Management
Bosch invented the automotive oxygen sensor in 1976 and remains the OEM supplier for a vast range of domestic and import vehicles. Their wideband and narrowband O2 sensors are direct OEM replacements with correct connector configurations, thread pitch, and response characteristics for accurate fuel trim feedback and emissions compliance. For performance builds running standalone engine management, Bosch wideband sensors are the industry standard for air/fuel ratio monitoring.
Alternators, Starters & Electrical
Bosch's remanufactured and new alternators and starters meet OEM output specifications with quality-grade internal components and precise voltage regulation. For builds requiring higher electrical output to support aftermarket accessories, Bosch's high-output alternator options provide increased amperage capacity in a direct-fit OEM replacement package.
Why Ozkonic Kustomz
We carry Bosch because OEM-level quality matters in ignition, fuel, and sensor components — and Bosch has been setting that standard longer than any other brand in the segment. Genuine Bosch product, full manufacturer warranty, and the right part for your application. When reliability is non-negotiable, Bosch is the answer.
Browse the full Bosch lineup below and find the right components for your vehicle. Questions about fitment, heat range selection, or injector sizing? We're here.
