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BOSCH 4203 — Fitment Guide

Verified fitment Spark Plug · Fits 111 Configurations (2006–2026)

Part number 4203 from BOSCH is matched to 111 year-and-engine configurations spanning 2006 to 2026. Fitment can still depend on position, trim or production date — read the notes before ordering. ← Back to part details

Manufacturer notes
High OutputGap 0.050 in

Compatible Vehicles (111)

Showing 30 configurations of 111 configurations

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2021 GMC SAVANA 4500 6.6L V8 View on
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2020 Chevrolet EXPRESS 2500 2.8L L4 DIESEL Turbocharged View on
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2020 Chevrolet EXPRESS 2500 4.3L V6 View on
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2020 Chevrolet EXPRESS 2500 6.0L V8 View on
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2020 Chevrolet EXPRESS 3500 2.8L L4 DIESEL Turbocharged View on
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2020 Chevrolet EXPRESS 3500 4.3L V6 View on
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2020 Chevrolet EXPRESS 3500 6.0L V8 View on
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2020 Chevrolet EXPRESS 4500 6.0L V8 View on
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2020 Chevrolet SILVERADO 4500 HD 6.6L V8 DIESEL Turbocharged View on
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2020 Chevrolet SILVERADO 5500 HD 6.6L V8 DIESEL Turbocharged View on
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2020 Chevrolet SILVERADO 6500 HD 6.6L V8 DIESEL Turbocharged View on
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2020 GMC SAVANA 2500 2.8L L4 DIESEL Turbocharged View on
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2020 GMC SAVANA 2500 4.3L V6 View on
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2020 GMC SAVANA 2500 6.0L V8 View on
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2020 GMC SAVANA 3500 2.8L L4 DIESEL Turbocharged View on
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2020 GMC SAVANA 3500 4.3L V6 View on
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2020 GMC SAVANA 3500 6.0L V8 View on
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2020 GMC SAVANA 4500 6.0L V8 View on
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2019 Chevrolet EXPRESS 2500 2.8L L4 DIESEL Turbocharged View on
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2019 Chevrolet EXPRESS 2500 6.0L V8 View on
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2019 Chevrolet EXPRESS 3500 2.8L L4 DIESEL Turbocharged View on
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2019 Chevrolet EXPRESS 3500 6.0L V8 View on
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2019 Chevrolet EXPRESS 4500 6.0L V8 View on
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2019 Chevrolet SILVERADO 4500 HD 6.6L V8 DIESEL Turbocharged View on
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2019 GMC SAVANA 2500 2.8L L4 DIESEL Turbocharged View on
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2019 GMC SAVANA 2500 4.3L V6 View on
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2019 GMC SAVANA 3500 2.8L L4 DIESEL Turbocharged View on
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