Ignition Coil and Iridium Spark Plugs for Suzuki Grand Vitara (2009-2013) 2.4L
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Direct-Fit High-Dielectric Ignition Kit for 2009-2013 Suzuki Grand Vitara
What it Does: Restores factory secondary ignition output and precise cylinder combustion across the rev range by replacing deteriorated coil packs and worn spark plugs.
The Stock Grand Vitara Thermal Breakdown and Ignition Misfires
Under sustained operating temperatures within the compact J24B cylinder head, the factory coil packs suffer from dielectric breakdown in the epoxy insulation and degradation of internal primary/secondary winding isolation. This leads to carbon tracking, micro-arcing, and intermittent cylinder misfires under load. Compounding this, standard factory plugs suffer electrode erosion that widens the gap, increasing the required ionization voltage and straining the aging coils until cold-start hesitation and rough idle occur.
The Engineering Solution
This comprehensive tune-up kit features four coil-on-plug units engineered with high-purity copper windings and high-dielectric epoxy potting to resist thermal cycling and prevent voltage leakage. Terminated with OEM-spec blade connectors, each assembly mates seamlessly to the factory harness. Paired with fine-wire iridium spark plugs featuring laser-welded ground electrodes, the kit delivers lower required ignition voltages, optimal flame kernel propagation, and clean combustion under off-camber or sustained highway loads.
Technical Specifications
| Fitment | 2009-2013 Suzuki Grand Vitara |
| Engine / Chassis | 2.4L J24B DOHC I4 / JT Chassis |
| Stock Output | 166 hp / 162 lb-ft (Approx) |
| Part Number / Interchange | UF634, UF-634, 33400-51K60, 33400-51K20 |
Compatibility
- 2009-2013 Suzuki Grand Vitara Base 2.4L L4 (JT Chassis / J24B)
- 2009-2013 Suzuki Grand Vitara Premium 2.4L L4 (JT Chassis / J24B)
- 2009-2013 Suzuki Grand Vitara Limited 2.4L L4 (JT Chassis / J24B)
- 2009-2013 Suzuki Grand Vitara Ultimate Adventure Edition 2.4L L4 (JT Chassis / J24B)
The Suzuki Trail-Ready Standard
Engineered to handle severe off-road vibration and harsh temperature swings, this ignition package ensures consistent power delivery and crisp throttle response whether navigating rugged trails or daily commuting.
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