NGK
NGK Cadillac DeVille 2003-2000 Direct Ignition Coil Boot
SKU: N003 58903
Description
Part #: 58903
NGK Coil on Plug Boots are built to stringent OEM tolerances, combining original equipment fit, design and outstanding durability. NGK Coil on Plug Boots are manufactured using only premium silicone and always include any required internal springs and ferrite resistors for superior performance and RFI noise suppression. Bridging the important link between ignition coil and spark plug, COP boots should always be replaced with NGK Coil on Plug Boots at the time as changing spark plugs to prevent ignition problems such as flashover.
NGK Coil on Plug Boots provide original equipment design and fit, outstanding durability, and excellent suppression of EMI/RFI to protect all vehicle electronic components. Tested to meet or exceed OE specifications.
Fitment
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Specifications
| Brand | NGK |
| Part Number | N003 58903 |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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