OE part number 42S is a Spark Plug compatible with FORD, HARLEY-DAVIDSON and other makes. Available from 2 brands, priced from £3.99. Every cross-reference listed below matches the same OE specification used by the vehicle manufacturer.
Spark Plug OE 42S prices range from £3.99 to £5.99, with 2 brands offering compatible parts.
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Related cross-references
Cross-reference numbers associated with 42S — including both OEM part numbers and aftermarket alternatives. Each entry links to its own compatibility and pricing page.
OE 42S fits vehicles from FORD, HARLEY-DAVIDSON, HOLDEN and other compatible models listed below.
What part type is 42S?
OE 42S is an original equipment reference for a Spark Plug. It identifies the exact part specification used by the vehicle manufacturer.
How much does Spark Plug 42S cost?
Replacement parts for OE 42S cost between £3.99 and £5.99, depending on brand and specification.
Which brands make Spark Plug 42S?
NGK, DENSO all offer compatible replacements for OE 42S.
Is 42S original equipment or aftermarket?
OE 42S is an original equipment reference assigned by the vehicle manufacturer. The parts listed below are quality-matched aftermarket and OEM-equivalent replacements that meet the same specification.
What is OE number 42S?
OE (Original Equipment) number 42S is a manufacturer's reference code for Spark Plug used to identify the exact specification of a part fitted during vehicle production. By cross-referencing this OE number, you can find 2 compatible aftermarket brands that match the same specification — often at a lower price than the original. All parts listed above are verified to match OE 42S.