Laser Iridium Spark Plug ITR4A15 | NGK 5599
Laser Iridium Spark Plug ITR4A15 | NGK 5599
NGK Spark Plugs
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Laser Iridium Spark Plug ITR4A15 | NGK 5599
NGK Laser Iridium Spark Plug ITR4A15 | NGK 5599
Premium NGK spark plugs are known for their reliable performance and superior anti-fouling characteristics .
- NGK spark plug ITR4A15
- Stock number 5599
- 14mm thread size
- 17.5mm thread length
- Resistor
- Tapered seat
- Iridium
- Gap 0.059 in. or 1.5mm
- 5/8 in. or 16mm hex
- Replaces AC Delco 41-101
- Replaces Crusader RP030010
- Replaces Mercruiser 33-8M2018369
- Replaces PCM RP030010
- Replaces Volvo Penta 21467472
- Replaces NGK 5146
! Compatibility references are provided for informational purposes only and do not constitute a fitment guarantee. Part numbers, application listings, and "replaces" cross-references are based on manufacturer data and are intended as a starting point for identification — not a guarantee of fit for your specific engine, hull, or installation.
Buyer is solely responsible for verifying compatibility with their engine model, serial number, model year, and trim configuration before purchase. If you are unsure whether this part fits your application, contact MacombMarineParts.com before you buy — we're available via text, email, or online chat to help verify compatibility for your specific application.
MacombMarineParts.com is not liable for parts ordered based on assumed fitment. Returns due to buyer-selected incorrect fitment are subject to our standard return and restocking fee policies.