Product Overview
Spark Plug 931M
Keep your marine engine purring like a kitten with the Champion 931M Spark Plug. This reliable, heavy-duty spark plug is engineered for the demanding marine environment, delivering consistent performance and extended life. Built with corrosion-resistant materials and designed for optimal combustion, the 931M ensures smooth starts, efficient fuel burn, and reduced emissions, giving you peace of mind and more time on the water.
Key Features
- **Corrosion-Resistant Construction:** Featuring a stainless-steel housing, the 931M stands up to the harsh marine environment, resisting rust and corrosion for long-lasting performance.
- **Optimal Combustion:** The nickel alloy electrodes and copper core center electrode provide superior conductivity and heat control, promoting efficient fuel burn and reducing emissions.
- **Reliable Performance:** The 931M delivers consistent sparks for smooth starts and reliable engine operation, even in challenging conditions.
- **Extended Lifespan:** Built tough to withstand the rigors of marine use, this spark plug minimizes the need for frequent replacements, saving you time and money.
- **Precise Engineering:** With a 14mm thread diameter, 1.25mm thread pitch, 1/2" reach, and .039" gap, the 931M is precisely engineered for a perfect fit and optimal performance.
- **Inductive Resistor:** Suppresses electromagnetic interference for cleaner electrical system operation.
- **Heat Range 82:** Ideal for a variety of marine engines, ensuring efficient heat dissipation and preventing overheating.
- **Easy Installation:** Standard 13/16" (21mm) hex size allows for easy installation with common tools.
What's in the Box
- 1 x Champion 931M Spark Plug
Specifications
Shell Thread Diameter14mm
Thread Pitch1.25mm
Seat TypeGasket
Reach12.7mm (1/2")
Hex Size13/16" (21mm)
Terminal TypeSolid
Gap.039" (1.0mm)
Center Electrode MaterialNickel
TypeStandard
Size2.5mm
ProjectionNon-Projected
Ground Electrode MaterialNickel
Quantity1
ResistorYes
Resistor TypeInductive
Heat Range82
Torque SpecsCast Iron: 26-30 lb. ft. Aluminum: 18-22 lb. ft.
The Captain's Take
I've been relying on Champion spark plugs for years, and the 931M is my go-to for dependable marine engine performance. It delivers consistent starts, smooth running, and I don't have to worry about corrosion. It's a small investment that makes a big difference in keeping my boat running reliably, season after season.
Warranty Information
DRiV is not liable for any warranty extended by any re-seller and the re-seller's warranty – not this warranty from DRiV – will be the exclusive warranty for the product purchased. For all warranty claims and requested replacements, the first retailer purchaser must return the alleged defective unit, together with a dated proof-of-purchase (receipt or bill of sale) to the authorized dealer from which the product or products were originally purchased. Adequate proof of purchase, confirming you are the first retail purchaser, is required for coverage under this warranty. DRiV has no way to confirm the authenticity and quality of products sold through unauthorized resellers and is not obligated to honor warranty claims when purchased from an unauthorized individual, unauthorized dealer, or unauthorized online retailer. Purchases made through auction sites, marketplaces, private or third-party sales, or other unauthorized online retailers are not be eligible for warranty. Third party Amazon.com sellers are not authorized resellers; therefore, product purchased from these resellers will not be eligible for warranty. This applies to all DRiV's product brands including Monroe®, Walker®, MOOG®, Fel-Pro®, Wagner®, Ferodo®, Champion®, National®, Sealed Power®, FP Diesel®, Rancho®, Dynomax®, Thrush®, Speed Pro® and others.
