| Manufacture | Number |
| ACDelco | 213-3630 |
| Bosch Automotive | 15144 |
| CarQuest | 75-3694 |
| Denso | 234-4335 |
| NGK | 21567 |
| General Motors | 12598296 |
| Standard Motor Products | SG1639 |
| Year | Make | Model | Engine | Notes |
| 2007 | Cadillac | XLR | 4.4L 4371CC 267Cu. In. V8 GAS DOHC Supercharged | |
| 2008 | Cadillac | XLR | 4.4L 4371CC 267Cu. In. V8 GAS DOHC Supercharged | |
| 2006 | Cadillac | XLR | 4.4L 4371CC 267Cu. In. V8 GAS DOHC Supercharged | |
| 2007 | Cadillac | XLR | 4.6L 281Cu. In. V8 GAS DOHC Naturally Aspirated | |
| 2009 | Cadillac | XLR | 4.4L 4371CC 267Cu. In. V8 GAS DOHC Supercharged | |
| 2009 | Cadillac | XLR | 4.6L 281Cu. In. V8 GAS DOHC Naturally Aspirated | |
| 2008 | Cadillac | XLR | 4.6L 281Cu. In. V8 GAS DOHC Naturally Aspirated | |
| 2008 | Cadillac | XLR | 4.6L 281Cu. In. V8 GAS DOHC Naturally Aspirated | |
| 2006 | Cadillac | XLR | 4.4L 4371CC 267Cu. In. V8 GAS DOHC Supercharged | B1S1 OE Equivalent Design |
| 2006 | Cadillac | XLR | 4.4L 4371CC 267Cu. In. V8 GAS DOHC Supercharged | B2S1 OE Equivalent Design |
| 2007 | Cadillac | XLR | 4.6L 281Cu. In. V8 GAS DOHC Naturally Aspirated | B1S1 OE Equivalent Design |
| 2007 | Cadillac | XLR | 4.6L 281Cu. In. V8 GAS DOHC Naturally Aspirated | B2S1 OE Equivalent Design |
| 2007 | Cadillac | XLR | 4.4L 4371CC 267Cu. In. V8 GAS DOHC Supercharged | B1S1 OE Equivalent Design |
| 2007 | Cadillac | XLR | 4.4L 4371CC 267Cu. In. V8 GAS DOHC Supercharged | B2S1 OE Equivalent Design |
| 2008 | Cadillac | XLR | 4.6L 281Cu. In. V8 GAS DOHC Naturally Aspirated | B1S1 OE Equivalent Design |
| 2008 | Cadillac | XLR | 4.6L 281Cu. In. V8 GAS DOHC Naturally Aspirated | B1S1 OE Equivalent Design |
| 2008 | Cadillac | XLR | 4.6L 281Cu. In. V8 GAS DOHC Naturally Aspirated | B2S1 OE Equivalent Design |
| 2008 | Cadillac | XLR | 4.6L 281Cu. In. V8 GAS DOHC Naturally Aspirated | B2S1 OE Equivalent Design |
| 2008 | Cadillac | XLR | 4.4L 4371CC 267Cu. In. V8 GAS DOHC Supercharged | B1S1 OE Equivalent Design |
| 2008 | Cadillac | XLR | 4.4L 4371CC 267Cu. In. V8 GAS DOHC Supercharged | B2S1 OE Equivalent Design |
| 2009 | Cadillac | XLR | 4.6L 281Cu. In. V8 GAS DOHC Naturally Aspirated | B1S1 OE Equivalent Design |
| 2009 | Cadillac | XLR | 4.6L 281Cu. In. V8 GAS DOHC Naturally Aspirated | B2S1 OE Equivalent Design |
| 2009 | Cadillac | XLR | 4.4L 4371CC 267Cu. In. V8 GAS DOHC Supercharged | B1S1 OE Equivalent Design |
| 2009 | Cadillac | XLR | 4.4L 4371CC 267Cu. In. V8 GAS DOHC Supercharged | B2S1 OE Equivalent Design |
| Year | Make | Model | Engine | Trim | Notes |
| 2007 | Cadillac | XLR | 4.4L 4371CC 267Cu. In. V8 GAS DOHC Supercharged | V Convertible 2-Door | |
| 2008 | Cadillac | XLR | 4.4L 4371CC 267Cu. In. V8 GAS DOHC Supercharged | V Convertible 2-Door | |
| 2006 | Cadillac | XLR | 4.4L 4371CC 267Cu. In. V8 GAS DOHC Supercharged | V Convertible 2-Door | |
| 2007 | Cadillac | XLR | 4.6L 281Cu. In. V8 GAS DOHC Naturally Aspirated | Base Convertible 2-Door | |
| 2009 | Cadillac | XLR | 4.4L 4371CC 267Cu. In. V8 GAS DOHC Supercharged | V Convertible 2-Door | |
| 2009 | Cadillac | XLR | 4.6L 281Cu. In. V8 GAS DOHC Naturally Aspirated | Platinum Convertible 2-Door | |
| 2008 | Cadillac | XLR | 4.6L 281Cu. In. V8 GAS DOHC Naturally Aspirated | Platinum Convertible 2-Door | |
| 2008 | Cadillac | XLR | 4.6L 281Cu. In. V8 GAS DOHC Naturally Aspirated | Base Convertible 2-Door | |
| 2006 | Cadillac | XLR | 4.4L 4371CC 267Cu. In. V8 GAS DOHC Supercharged | V Convertible 2-Door | B1S1 OE Equivalent Design |
| 2006 | Cadillac | XLR | 4.4L 4371CC 267Cu. In. V8 GAS DOHC Supercharged | V Convertible 2-Door | B2S1 OE Equivalent Design |
| 2007 | Cadillac | XLR | 4.6L 281Cu. In. V8 GAS DOHC Naturally Aspirated | Base Convertible 2-Door | B1S1 OE Equivalent Design |
| 2007 | Cadillac | XLR | 4.6L 281Cu. In. V8 GAS DOHC Naturally Aspirated | Base Convertible 2-Door | B2S1 OE Equivalent Design |
| 2007 | Cadillac | XLR | 4.4L 4371CC 267Cu. In. V8 GAS DOHC Supercharged | V Convertible 2-Door | B1S1 OE Equivalent Design |
| 2007 | Cadillac | XLR | 4.4L 4371CC 267Cu. In. V8 GAS DOHC Supercharged | V Convertible 2-Door | B2S1 OE Equivalent Design |
| 2008 | Cadillac | XLR | 4.6L 281Cu. In. V8 GAS DOHC Naturally Aspirated | Base Convertible 2-Door | B1S1 OE Equivalent Design |
| 2008 | Cadillac | XLR | 4.6L 281Cu. In. V8 GAS DOHC Naturally Aspirated | Platinum Convertible 2-Door | B1S1 OE Equivalent Design |
| 2008 | Cadillac | XLR | 4.6L 281Cu. In. V8 GAS DOHC Naturally Aspirated | Base Convertible 2-Door | B2S1 OE Equivalent Design |
| 2008 | Cadillac | XLR | 4.6L 281Cu. In. V8 GAS DOHC Naturally Aspirated | Platinum Convertible 2-Door | B2S1 OE Equivalent Design |
| 2008 | Cadillac | XLR | 4.4L 4371CC 267Cu. In. V8 GAS DOHC Supercharged | V Convertible 2-Door | B1S1 OE Equivalent Design |
| 2008 | Cadillac | XLR | 4.4L 4371CC 267Cu. In. V8 GAS DOHC Supercharged | V Convertible 2-Door | B2S1 OE Equivalent Design |
| 2009 | Cadillac | XLR | 4.6L 281Cu. In. V8 GAS DOHC Naturally Aspirated | Platinum Convertible 2-Door | B1S1 OE Equivalent Design |
| 2009 | Cadillac | XLR | 4.6L 281Cu. In. V8 GAS DOHC Naturally Aspirated | Platinum Convertible 2-Door | B2S1 OE Equivalent Design |
| 2009 | Cadillac | XLR | 4.4L 4371CC 267Cu. In. V8 GAS DOHC Supercharged | V Convertible 2-Door | B1S1 OE Equivalent Design |
| 2009 | Cadillac | XLR | 4.4L 4371CC 267Cu. In. V8 GAS DOHC Supercharged | V Convertible 2-Door | B2S1 OE Equivalent Design |