CADILLAC STS Spark Plugs

Spark Plugs, Iridium TT, Tapered Seat, 14mm Thread, 25mm Reach, Resistor, Each

Part Number: DNP-4719

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

• $10 Summit Bucks

Spark Plug, Iridium Power, IKH20, 14mm Thread, 26.50mm Reach, Gasket Seat, Universal, Each

Part Number: DNP-5344

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air

• $10 Summit Bucks

Spark Plug, Iridium Power, Tapered Seat, 14mm Thread, 0.709 in. Reach, Resistor, Each

Part Number: DNP-IT22

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

• $10 Summit Bucks
• Special Order

Spark Plugs, Iridium Power, Tapered Seat, 14mm Thread, 18mm Reach, Resistor, Each

Part Number: DNP-5327

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

• $10 Summit Bucks
• Special Order