2003 OLDSMOBILE SILHOUETTE Spark Plugs

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

Part Number: DNP-4713

4.29 out of 5 stars ( 7 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

• $10 Summit Bucks

Spark Plug, RS14YC6, Copper Plus, 14mm Thread, .708 in. Reach, Resistor, Each

Part Number: CPN-13

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

• $25 Summit Bucks

Spark Plugs, Platinum TT, Tapered Seat, 14mm Thread, 18mm Reach, Resistor, Each

Part Number: DNP-4511

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

• $10 Summit Bucks

Spark Plug, Platinum Power, 14mm Thread, .708 in. Reach, Resistor, Each

Part Number: CPN-3013

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

• $25 Summit Bucks

Spark Plug, Iridium Power, IT16, 14mm Thread, 18.00mm Reach, Tapered Seat, Universal, Each

Part Number: DNP-5325

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

• $10 Summit Bucks