NGK Iridium IX Spark Plug Box of 4 (XR45IX) 7293
NGK Iridium IX Spark Plug Box of 4 (XR45IX) 7293
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In-stock orders are processed within 48 hours; transit time is additional.
International orders include export processing and customs clearance. Duties, taxes and brokerage are extra; final freight charges may change after remeasurement.
Read the shipping policyReturns
Need to return an item? Request authorization within 30 days of delivery for eligible unused, uninstalled items. Exclusions and fees apply.
Wrong part/size or change of mind: a 20% return processing fee applies, plus applicable shipping costs.
Read the full return policyEligibility, fees and return steps
Request return authorization (RMA) within 30 days of delivery for eligible items. Keep items unused and uninstalled, with original packaging and accessories. Electronics, liquids, special orders and other categories are excluded.
Email sales@frsport.com with RETURN and your order number in the subject to request an RMA. Do not send a return without authorization.
Original shipping is non-refundable. For orders shipped free, the actual outbound shipping cost is deducted from the refund. Return shipping is prepaid by the customer.
After payment capture, cancellations and refunds generally incur a 5% processing fee, except for our error, confirmed defects or confirmed carrier loss. The 5% and 20% fees do not stack; only the greater applicable fee applies. Store credit waives the 5% fee, but applicable return fees remain.
Missing, incorrect or transit-damaged items: report within 3 business days of receipt with photos of the product and packaging.
For defective items, contact us for help with the manufacturer's warranty process. The manufacturer decides the claim.
Spark Plug
BUICK 1984-75; CADILLAC 1980-76; OLDSMOBILE 1985-73; PONT 1981-75
NGK Spark Plugs (U.S.A.), Inc. is the largest OE supplier and manufacturer of spark plugs for domestic and import vehicles in North America. Its OE legacy, unsurpassed quality and leading vehicles in operation coverage reinforces NGK as The Ignition Specialist". With over 80 years of automotive expertise NGK has built a reputation for quality and reliability; manufacturing spark plugs for virtually every automotive, motorcycle, marine and small engine application. We are committed to be the premier partner with our customers, while maintaining original equipment standards for the highest durability and operational performance. With state-of-the-art manufacturing, inventory and distribution facilities in North America and across the globe, NGK is dedicated to providing customers with world-class products and services.
NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability.
Vehicle Fitments:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1975 | Buick | Apollo | SR, Base |
| 1976 | Buick | Century | Indianapolis 500 Pace Car |
| 1975 | Buick | Century | Luxus |
| 1975 - 1977 | Buick | Century | Special, Custom, Base |
| 1976 - 1979 | Buick | Electra | 225 |
| 1980 - 1984 | Buick | Electra | Estate Wagon |
| 1976 - 1984 | Buick | Electra | Limited |
| 1978 - 1984 | Buick | Electra | Park Avenue |
| 1976 - 1983 | Buick | Estate Wagon | Base |
| 1976 - 1981 | Buick | LeSabre | Base |
| 1976 - 1984 | Buick | LeSabre | Custom |
| 1977 | Buick | LeSabre | Custom Sport |
| 1979 - 1984 | Buick | LeSabre | Limited |
| 1982 | Buick | LeSabre | Limited Edition F/E |
| 1978 - 1981 | Buick | LeSabre | Sport |
| 1975 - 1977 | Buick | Regal | Base |
| 1976 - 1977 | Buick | Regal | SR |
| 1976 - 1984 | Buick | Riviera | Base |
| 1982 | Buick | Riviera | Limited Edition |
| 1983 - 1984 | Buick | Riviera | Luxury |
| 1978 | Buick | Riviera | LXXV Anniversary Edition |
| 1979 - 1980 | Buick | Riviera | S |
| 1976 | Buick | Riviera | Sport, SR |
| 1981 - 1984 | Buick | Riviera | T-Type |
| 1983 | Buick | Riviera | XX Anniversary Edition |
| 1975 - 1976 | Buick | Skyhawk | Base, S |
| 1976 - 1977 | Buick | Skylark | S |
| 1975 - 1977 | Buick | Skylark | SR, Base |
| 1979 - 1980 | Cadillac | Eldorado | Biarritz, Base, Cabriolet |
| 1976 - 1980 | Cadillac | Seville | Base |
| 1978 - 1980 | Cadillac | Seville | Elegante |
| 1977 - 1978 | Cadillac | Seville | Opera |
| 1973 - 1974 | Oldsmobile | 98 | Base |
| 1975 - 1981 | Oldsmobile | 98 | Luxury |
| 1973 - 1984 | Oldsmobile | 98 | Regency |
| 1982 - 1984 | Oldsmobile | 98 | Regency Brougham |
| 1973 - 1984 | Oldsmobile | Custom Cruiser | Base |
| 1975 - 1976 | Oldsmobile | Custom Cruiser | Panel |
| 1975 - 1977 | Oldsmobile | Cutlass | 442, S |
| 1975 - 1980 | Oldsmobile | Cutlass | Base |
| 1980 - 1981 | Oldsmobile | Cutlass | Brougham, LS |
| 1977 | Oldsmobile | Cutlass | Colonnade |
| 1976 - 1977 | Oldsmobile | Cutlass | Colonnade S |
| 1981 | Oldsmobile | Cutlass | Supreme |
| 1976 - 1979 | Oldsmobile | Cutlass | Vista Cruiser |
| 1979 | Oldsmobile | Cutlass | Vista Cruiser Brougham |
| 1978 - 1984 | Oldsmobile | Cutlass Calais | Base |
| 1983 - 1984 | Oldsmobile | Cutlass Calais | Hurst |
| 1980 - 1983 | Oldsmobile | Cutlass Cruiser | Base |
| 1980 - 1981 | Oldsmobile | Cutlass Cruiser | Brougham |
| 1978 - 1985 | Oldsmobile | Cutlass Salon | 442 |
| 1975 - 1985 | Oldsmobile | Cutlass Salon | Base |
| 1978 - 1980 | Oldsmobile | Cutlass Salon | Brougham |
| 1979 | Oldsmobile | Cutlass Salon | Hurst |
| 1975 - 1984 | Oldsmobile | Cutlass Supreme | Base |
| 1977 - 1984 | Oldsmobile | Cutlass Supreme | Brougham |
| 1976 - 1977 | Oldsmobile | Cutlass Supreme | Colonnade |
| 1975 | Oldsmobile | Cutlass Supreme | Cruiser, Hurst |
| 1981 | Oldsmobile | Cutlass Supreme | LS |
| 1976 | Oldsmobile | Cutlass Tiara | Base |
| 1973 - 1983 | Oldsmobile | Delta 88 | Base |
| 1980 - 1981 | Oldsmobile | Delta 88 | Holiday |
| 1973 - 1984 | Oldsmobile | Delta 88 | Royale |
| 1980 - 1984 | Oldsmobile | Delta 88 | Royale Brougham |
| 1984 | Oldsmobile | Delta 88 | Royale Brougham LS |
| 1975 - 1977 | Oldsmobile | Omega | Base |
| 1977 | Oldsmobile | Omega | Deluxe |
| 1975 | Oldsmobile | Omega | Salon |
| 1976 - 1977 | Oldsmobile | Omega | SX, F85, Brougham |
| 1975 - 1976 | Oldsmobile | Starfire | Base |
| 1975 | Oldsmobile | Starfire | S |
| 1976 | Oldsmobile | Starfire | SX, GT |
| 1973 - 1974 | Oldsmobile | Toronado | Base |
| 1973 - 1984 | Oldsmobile | Toronado | Brougham |
| 1975 - 1976 | Oldsmobile | Toronado | Custom |
| 1977 | Oldsmobile | Toronado | XS |
| 1980 - 1981 | Oldsmobile | Toronado | XSC |
| 1977 - 1979 | Oldsmobile | Toronado | XSR |
| 1975 | Oldsmobile | Vista Cruiser | Base |
| 1977 - 1981 | Pontiac | Bonneville | Brougham, Base |
| 1978 - 1981 | Pontiac | Bonneville | Safari |
| 1977 - 1981 | Pontiac | Catalina | Safari, Base |
| 1977 - 1979 | Pontiac | Firebird | Base, Esprit, Formula, Trans Am |
| 1976 | Pontiac | Grand LeMans | BR |
| 1976 - 1977 | Pontiac | Grand LeMans | LE, Base |
| 1977 | Pontiac | Grand LeMans | Safari |
| 1977 | Pontiac | Grand Prix | Base, LJ, SJ |
| 1977 - 1978 | Pontiac | Grand Safari | Base |
| 1981 | Pontiac | Laurentian | Safari, Base |
| 1977 | Pontiac | LeMans | Safari |
| 1976 - 1977 | Pontiac | LeMans | Sport Coupe, Base, Sport |
| 1981 | Pontiac | Parisienne | Safari, Base |
| 1977 | Pontiac | Phoenix | Base |
| 1976 | Pontiac | Sunbird | Base, SJ |
| 1975 | Pontiac | Ventura | S, Custom |
| 1975 - 1977 | Pontiac | Ventura | SJ, Base |
