2014 Volvo VNL Spark Plug Type & Gap
AI-generated reference. Always verify torque values, fluid capacities, intervals, and procedures against the manufacturer's service manual or OEM repair information before performing work. Repairius is not liable for damage from acting on this content without verification.
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Quick reference
| Engine | OEM Plug PN (Volvo) | Aftermarket (NGK/Denso) | Gap (in/mm) | Torque (lb-ft / Nm) | Interval (miles/km) |
|---|---|---|---|---|---|
| Volvo D11 (DIESEL) | N/A | N/A | N/A | N/A | N/A |
| Volvo D13 (DIESEL) | N/A | N/A | N/A | N/A | N/A |
| Volvo D16 (DIESEL) | N/A | N/A | N/A | N/A | N/A |
| Cummins ISX15 (DIESEL) | N/A | N/A | N/A | N/A | N/A |
Why the right "spark" plug matters (for gasoline engines)
Spark plugs are vital for internal combustion engines, igniting the air-fuel mixture that powers your vehicle. For diesel trucks like the 2014 Volvo VNL, however, spark plugs are not applicable. Diesel engines operate on a different principle, using compression ignition rather than spark ignition. Instead of spark plugs, diesel engines utilize glow plugs for cold starting, but these do not function in the same way as spark plugs during normal operation.
How to gap a spark plug (for gasoline engines)
Setting the correct gap on a spark plug is crucial for optimal performance, fuel efficiency, and to prevent misfires. However, this procedure is not relevant for your 2014 Volvo VNL as it is a diesel vehicle and does not use spark plugs.
Replacement procedure tips (for gasoline engines)
Replacing spark plugs typically involves carefully removing coil-on-plug units, using anti-seize compound on the new plug threads, and applying dielectric grease to the boots. But again, these tips are not applicable to your 2014 Volvo VNL due to its diesel engine. There are no spark plugs to replace in a diesel VNL.
Known issues
While gasoline engines can experience issues like cracked porcelain on spark plugs or broken plug shells, these problems are specific to spark-ignited systems. Your 2014 Volvo VNL, being a diesel truck, does not have spark plugs and therefore is not susceptible to these types of spark plug-related known issues.
Need plugs replaced? Find a shop on Repairius.
More specs for the 2014 Volvo VNL
Oil Capacity & Filter
Capacity, weight, filter PN, drain plug torque, change interval.
Fluid Type Specs
Engine oil, coolant, ATF, diff, brake, PS, DEF — with OEM spec numbers.
Coolant Capacity & Type
Total system capacity, OEM coolant spec, flush interval, bleed tips.
Transmission Fluid & Service
Trans model, fluid spec, capacity, filter PN, service interval.
Torque Specifications
Lug nuts, drain plug, caliper, axle nut, plug, key fasteners.
Brake Pad & Rotor Specs
Pad PNs, rotor size, min thickness, caliper torque.
Tire Size & Pressure
OEM size, cold psi, bolt pattern, wheel size, TPMS.
Battery Size & Group
Group size, CCA, AGM/flooded, dimensions, reset note.
A/C Refrigerant & Oil
R-134a or R-1234yf, charge oz, PAG oil spec.
Bulb Sizes (Headlight, Tail, Fog)
Headlight, fog, tail, turn, reverse, interior.
Factory Maintenance Schedule
Service intervals by mileage, severe-duty notes, known issues.
Towing Capacity & Payload
Max tow, payload, GVWR/GCWR, hitch class by trim.
Fuse Box Diagram & Amperage
Fuse box locations, layout, amps, and what each fuse controls.
Serpentine Belt Routing & Length
Belt routing, length, rib count, OEM + aftermarket PNs.
Wheel Alignment Specifications
Camber, caster, toe ranges (front & rear), adjustability notes.
Paint Color Codes
All factory colors with paint codes, sticker location, touch-up tips.
Wiper Blade Sizes
Driver/passenger/rear blade size, attachment, OEM + cross-refs.
Transmission & Axle Gear Ratios
Trans gear ratios, axle ratios, RPO codes, tow vs MPG impact.
Key Fob Programming
DIY programming steps, FCC ID, fob PN, battery, transponder.
Same spec — other model years
Maintenance & repair guides
2014 Volvo VNL Maintenance Schedule →
Available maintenance guidance; confirm the manufacturer schedule.
Repair planning references →
Plan the scope of work; detailed procedures need configuration-matched evidence.
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