Description
The Champion Iridium Spark Plug RE14WMPB5 is a premium OE-style replacement spark plug engineered for maximum ignition performance and long-lasting durability. Built with a fine-wire iridium center electrode and platinum-enhanced ground electrode design, it delivers a sharp, consistent spark for reliable combustion, improved ignitability, and extended service life.
Designed as part of the Champion Iridium line, this performance spark plug is made to maintain stable operating temperature across a wide range of engine loads. Its V-trimmed fine-wire center electrode and V-trimmed ground electrode help promote sharper spark focus, while the Heat-Active alloy allows the electrodes to reach optimal operating temperature quickly. This makes it a strong replacement choice for drivers looking for premium spark plug performance, dependable fitment, and long-term ignition reliability in Chrysler, Dodge, and Jeep applications.
Features
- Part number: 9403
- Plug type: RE14WMPB5
- Champion Iridium premium performance spark plug
- Fine-wire iridium center electrode for maximum life
- Fine-wire center electrode is V-trimmed for greater ignitability
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V-trimmed ground electrode promotes sharper spark focus
- Maintains stable operating temperature under all engine loads
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Heat-Active alloy helps electrodes reach optimal temperature quickly
- Center electrode tip material: Iridium
- Ground electrode tip material: Iridium-Platinum
- Ground electrode core material: Platinum
- Ground electrode tip design: J Gap
- Ground electrode quantity: 1
- Pre-gap size: 0.045 in / 1.15 mm
- Hex size: 0.625 in / 15.880 mm
- Insulator height: 0.12 in
- Manufacturer heat range: 14
- Seat type: Tapered
- Reach: 0.984 in
- Thread diameter: 14.000 mm / 0.551 in
- Resistor type: Yes
- Washer included: No
- Classification: Champion Iridium
- Grade type: Performance
- Electrical terminal type: Non-Removable Nut
- Hex type: Hex
- Center electrode design: Fine Wire
- Indexed: No
- Part description: Spark Plug
- Subject to Prop 65: No
Vehicle Fitment
Chrysler
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300 — 2005-2008 — 5.7L V8 345cid
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300 — 2008 — 2.7L V6 2736cc/167cid
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Aspen — 2007-2008 — 5.7L V8 345cid
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PT Cruiser — 2001-2010 — 2.4L L4 2429cc/148cid
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Sebring — 2001-2005 — 2.4L L4 2429cc/148cid — Engine VIN: X
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Sebring — 2004-2005 — 2.4L L4 2429cc/148cid — Engine VIN: J
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Sebring — 2006 — 2.4L L4 2429cc/148cid
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Voyager — 2001-2003 — 2.4L L4 2429cc/148cid
Dodge
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Caravan — 2001-2007 — 2.4L L4 2429cc/148cid
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Charger — 2006-2008 — 5.7L V8 345cid
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Charger — 2008 — 2.7L V6 2736cc/167cid
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Durango — 2004-2008 — 5.7L V8 345cid
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Magnum — 2005-2008 — 5.7L V8 345cid
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Magnum — 2007-2008 — 2.7L V6 2736cc/167cid
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Neon — 2003-2005 — 2.4L L4 2429cc/148cid
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Ram 1500 — 2003-2008 — 5.7L V8 345cid
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Ram 2500 — 2003-2008 — 5.7L V8 345cid
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Ram 3500 — 2003-2008 — 5.7L V8 345cid
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Stratus — 2001-2005 — 2.4L L4 2429cc/148cid — Engine VIN: X
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Stratus — 2006 — 2.4L L4 2429cc/148cid
Jeep
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Commander — 2006-2008 — 5.7L V8 345cid
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Grand Cherokee — 2005-2008 — 5.7L V8 345cid
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Grand Cherokee — 2006-2010 — 6.1L V8 6059cc/370cid
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Liberty — 2002-2005 — 2.4L L4 148cid
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TJ — 2003-2006 — 2.4L L4 148cid
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Wrangler — 2003-2006 — 2.4L L4 148cid
