Equivalents for the Bosch spark plug 4478
The Bosch 4478 spark plug — heat range hot, resistor type (RFI-suppressed), reach 19.0 mm, tightening torque fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour), thread 14 mm. Find its 39 compatible and interchangeable spark plugs: cross-references for NGK, Bosch, Champion, Denso and every brand.
Technical information Bosch 4478 spark plug
- Resistor
- Yes
- Torque
- fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour)
Buy this spark plug Bosch 4478 — best retailers
Partner links: a purchase made through these links may earn us a commission, at no extra cost to you.
39 equivalents compatible with the Bosch 4478 spark plug
No equivalent for this brand selection.
What can replace a Bosch 4478 spark plug?
The Bosch 4478 is interchangeable with: Bosch WR8LP+, Champion OE195, Denso IW16, Bosch WR7DPP30W, Bosch WR7DPP30X, Bosch ZGR5A. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the Bosch 4478?
Thread 14 mm, Reach 19.0 mm, Heat range Hot, Resistor Yes, Seat Flat (gasket), Torque fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour)
Cross-references and specifications are provided for guidance only. The wrench size can vary by brand, and some data is inferred from the plug code or an equivalent reference. Always check the vehicle manufacturer's recommendation before buying and fitting.