BDFHYK Iridium Spark Plugs for Ram 1500 Big Horn Crew Cab 5.7L V8 (2011–2021) — Set of 16, OE Fit

BDFHYK 4024123628 iridium spark plugs are a full set of 16 high-performance replacement plugs engineered for Ram 1500 Big Horn Crew Cab 5.7L V8 (2011–2021) engines.

These iridium-tipped spark plugs are built to match OE design and fitment for naturally aspirated 5.7L HEMI-style V8s used across Ram 1500 Big Horn Crew Cab 4-door models from 2011 through 2021. Made with fine iridium center electrodes and dense ceramic insulators, the set of 16 is intended to restore ignition precision, maintain factory-like durability, and provide consistent spark behavior under normal driving conditions. The package is offered by BDFHYK, a manufacturer that supplies aftermarket ignition components and backs products with a 12-month support promise.

Will these plugs fit my Ram 1500 Big Horn Crew Cab 5.7L V8?

These plugs are listed to be compatible with Ram 1500 Big Horn Crew Cab Pickup 4-door models with the 5.7L V8 naturally aspirated engine covering model years 2011–2021. Always double-check cross-reference or your vehicle’s OE part number before purchase to ensure exact fit.

• Designed for Ram 1500 Big Horn Crew Cab 4-door, 5.7L V8 GAS OHV engines (2011–2021).
• OE cross-reference: compatible with part number 4024123628—verify against your vehicle’s service manual.
• Sold as a complete set of 16 plugs to replace every cylinder and maintain consistent ignition timing.

How do BDFHYK iridium plugs affect ignition and driving feel?

Iridium center electrodes provide a finer, harder contact point than conventional electrodes, which promotes a more focused spark and reliable ignition. That can translate to smoother cold starts, steadier idling, and more consistent throttle response when plugs are fresh and correctly gapped.

• Fine iridium tip for concentrated spark energy and reliable combustion initiation.
• Precision manufacturing aimed at reducing misfires and improving ignition repeatability.
• Ceramic insulators with high density to resist heat and electrical leakage.

What are the build quality and durability features of these plugs?

BDFHYK manufactures these plugs using materials and processes intended to meet OE-level durability standards. The iridium center electrodes and isostatic ceramic insulators are chosen to resist wear and preserve electrical insulation, while production follows industry quality controls to deliver consistent parts.

• Extremely fine iridium electrodes for wear resistance and long life compared with standard nickel plugs.
• Isostatic ceramic insulators for high mechanical strength and thermal stability.
• Produced by a factory with TS16949-aligned practices and backed by a 12-month customer support policy.

What should I know about installation and maintenance?

Installation requires proper torque and correct gap setting to match your engine’s specification. Replacing all 16 plugs at once helps keep cylinder-to-cylinder ignition uniform and simplifies future maintenance intervals.

• Confirm plug gap and torque per Ram factory service specs before installation.
• Replace all plugs together to maintain consistent engine performance across cylinders.
• If uncertain, have a qualified technician perform installation to avoid thread damage.

Who is this for: This set is intended for Ram 1500 owners and mechanics seeking a full replacement of factory spark plugs on Big Horn Crew Cab 4-door trucks with the 5.7L V8 (2011–2021). It suits drivers who want iridium-tipped longevity and OE-style fit at aftermarket pricing, plus fleets and shops that prefer to replace all plugs at once to ensure even ignition performance.