Description
The Champion 7940 Double Platinum Power Spark Plug is a premium standard replacement spark plug engineered for consistent ignition performance, long service life, and dependable operation under a wide range of engine loads. Built with a platinum fine-wire center electrode and platinum pad ground electrode, this spark plug is designed to improve ignitability, resist wear, and maintain sharp spark focus in compatible gasoline engines.
Champion’s Heat-Active alloy helps the electrodes reach and maintain optimal operating temperature, while the fine-wire center electrode and platinum ground design support stable combustion and long-lasting performance. Pre-gapped to 1.27 mm (0.050 in), this plug features a tapered seat, 14 mm thread diameter, and 0.689 in reach for precise OEM-style replacement fitment.
As part of the Champion Double Platinum Power line, the Champion 7940 spark plug is suitable for a wide range of Buick, Cadillac, Chevrolet, Ford, GMC, Isuzu, Mazda, Mercedes-Benz, Mercury, Oldsmobile, Pontiac, Workhorse, Volvo Penta, Kodiak, and Indmar applications. It is designed to deliver dependable replacement performance in passenger vehicles, trucks, vans, commercial chassis, and select marine engines.
Features
- Premium double platinum spark plug for extended service life
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Platinum fine-wire center electrode for greater ignitability
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Platinum pad ground electrode for improved wear resistance
- Maintains stable operating temperature under all engine loads
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Heat-Active alloy helps electrodes reach optimal operating temperature
- Sharp spark focus for dependable combustion performance
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Pre-gapped: 1.27 mm (0.050 in)
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Plug Type: RS14PYPB5
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Thread Diameter: 14.000 mm / 0.551 in
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Reach: 0.689 in
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Seat Type: Tapered
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Hex Size: 15.880 mm / 0.625 in
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Resistor Type: Yes
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Ground Electrode Quantity: 1
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Insulator Height: 0.06 in
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Manufacturer Heat Range: 14
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Center Electrode Design: Fine Wire
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Ground Electrode Core Material: Platinum
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Ground Electrode Tip Material: Platinum
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Ground Electrode Material: Platinum Pad Surface
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Electrical Terminal Type: Non-Removable Nut
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Center Electrode Diameter: 0.1 in
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Installed Height: 2.05 in
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Insulator Projection: 0.06 in
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Taper Diameter: 0.25 in
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Classification: Champion Double Platinum Power
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Grade Type: Standard Replacement
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Washer Included: No
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Indexed: No
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Prop 65: No
Vehicle Fitment
Buick
- Allure (2005–2009) – 3.8L V6
- Century (1986–1988) – 3.8L V6
- Century (1989–1993) – 3.3L V6
- Century (1996–2005) – 3.1L V6
- Commercial Chassis (1994–1996) – 5.7L V8
- Electra (1986–1990) – 3.8L V6
- LaCrosse (2005–2009) – 3.8L V6
- LeSabre (1986) – 3.0L V6
- LeSabre (1986–2005) – 3.8L V6
- Lucerne (2006–2008) – 3.8L V6
- Park Avenue (1991–2005) – 3.8L V6
- Reatta (1988–1991) – 3.8L V6
- Regal (1990–2004) – 3.8L V6
- Regal (1996) – 3.1L V6
- Rendezvous (2002–2005) – 3.4L V6
- Riviera (1986–1999) – 3.8L V6
- Roadmaster (1994–1996) – 5.7L V8
- Skylark (1986–1988) – 3.0L V6
- Skylark (1989–1993) – 3.3L V6
- Skylark (1995) – 2.3L L4
- Skylark (1996–1998) – 2.4L L4
- Skylark (1996–1998) – 3.1L V6
- Somerset (1986–1987) – 3.0L V6
- Somerset Regal (1985) – 3.0L V6
Cadillac
- 60 Special (1993) – 4.9L V8
- Allante (1987–1988) – 4.1L V8
- Allante (1989–1992) – 4.5L V8
- Commercial Chassis (1985–1987) – 4.1L V8
- Commercial Chassis (1988–1990) – 4.5L V8
- Commercial Chassis (1991–1993) – 4.9L V8
- Commercial Chassis (1994–1996) – 5.7L V8
- DeVille (1984–1987) – 4.1L V8
- DeVille (1988–1990) – 4.5L V8
- DeVille (1991–1995) – 4.9L V8
- Eldorado (1984–1987) – 4.1L V8
- Eldorado (1988–1990) – 4.5L V8
- Eldorado (1991–1993) – 4.9L V8
- Escalade (1999–2000) – 5.7L V8
- Fleetwood (1984–1987) – 4.1L V8
- Fleetwood (1988–1990) – 4.5L V8
- Fleetwood (1991–1992) – 4.9L V8
- Fleetwood (1994–1996) – 5.7L V8
- Seville (1984–1987) – 4.1L V8
- Seville (1988–1990) – 4.5L V8
- Seville (1991–1993) – 4.9L V8
Chevrolet
- Astro (1996–2005) – 4.3L V6
- Beretta (1996) – 3.1L V6
- Blazer (1996–2005) – 4.3L V6
- C1500 (1996–1998) – 4.3L V6
- C1500 (1996–1999) – 5.0L V8
- C1500 (1996–1999) – 5.7L V8
- C1500 Suburban (1996–1999) – 5.7L V8
- C2500 (1996–1999) – 5.0L V8
- C2500 (1996–2000) – 5.7L V8
- C2500 Suburban (1996–1999) – 5.7L V8
- C3500 (1996–2000) – 5.7L V8
- C3500HD (2000) – 5.7L V8
- Camaro (1995–2002) – 3.8L V6
- Caprice (1994–1996) – 5.7L V8
- Cavalier (1995) – 2.3L L4
- Corsica (1996) – 3.1L V6
- Equinox (2005–2009) – 3.4L V6
- Express 1500 (1996–2014) – 4.3L V6
- Express 1500 (1996–2002) – 5.7L V8
- Express 2500 (1996–2006) – 4.3L V6
- Express 2500 (1996–2002) – 5.0L V8
- Express 2500 (1996–2002) – 5.7L V8
- Express 3500 (1997–1998) – 4.3L V6
- Express 3500 (1996–2002) – 5.7L V8
- G30 (1996) – 4.3L V6
- Impala (1994–1996) – 5.7L V8
- Impala (2000–2005) – 3.4L V6
- Impala (2000–2005) – 3.8L V6
- K1500 (1996–1998) – 4.3L V6
- K1500 (1996–1999) – 5.0L V8
- K1500 (1996–1999) – 5.7L V8
- K1500 Suburban (1996–1999) – 5.7L V8
- K2500 (1996–1998) – 5.0L V8
- K2500 (1996–2000) – 5.7L V8
- K2500 Suburban (1996–1999) – 5.7L V8
- K3500 (1996–2000) – 5.7L V8
- Lumina (1996–2001) – 3.1L V6
- Lumina (1998–1999) – 3.8L V6
- Lumina APV (1992–1995) – 3.8L V6
- Lumina APV (1996) – 3.4L V6
- Malibu (1997) – 2.4L L4
- Malibu (1997–2003) – 3.1L V6
- Monte Carlo (1996–1999) – 3.1L V6
- Monte Carlo (1998–2005) – 3.8L V6
- Monte Carlo (2000–2005) – 3.4L V6
- P30 (1997–1999) – 4.3L V6
- P30 (1997–1999) – 5.7L V8
- S10 (1998–2003) – 2.2L L4
- Tahoe (1996–2000) – 5.7L V8
- Venture (1997–2005) – 3.4L V6
- W3500 Tiltmaster (1996–2003) – 5.7L V8
- W4500 Tiltmaster (1998–2003) – 5.7L V8
Ford
- Aerostar (1986) – 2.8L V6
- Aerostar (1990–1996) – 4.0L V6
- Bronco II (1984–1985) – 2.8L V6
- Bronco II (1986–1990) – 2.9L V6
- Courier (1977–1982) – 2.3L L4
- Courier (1982) – 2.0L L4
- Explorer (1991–1996) – 4.0L V6
- Explorer (1996–2001) – 5.0L V8
- F-100 (1983) – 3.8L V6
- F-150 (1993–1995) – 5.8L V8
- F-150 (1997) – 4.2L V6
- Fairmont (1978–1982) – 2.3L L4
- Fiesta (1978–1980) – 1.6L L4
- Freestar (2004–2005) – 3.9L V6
- Freestar (2004–2005) – 4.2L V6
- Granada (1981–1982) – 2.3L L4
- LTD (1983) – 3.8L V6
- Mustang (1979) – 2.8L V6
- Mustang (1979–1982) – 2.3L L4
- Mustang (1983–2004) – 3.8L V6
- Mustang (2004) – 3.9L V6
- Mustang II (1974–1978) – 2.3L L4
- Mustang II (1977–1978) – 2.8L V6
- Pinto (1974–1980) – 2.3L L4
- Pinto (1977–1979) – 2.8L V6
- Ranger (1983–1985) – 2.8L V6
- Ranger (1983–1988) – 2.0L L4
- Ranger (1986–1992) – 2.9L V6
- Ranger (1990–1995) – 4.0L V6
- Tempo (1984–1987) – 2.3L L4
- Thunderbird (1983) – 3.8L V6
- Thunderbird (1983–1988) – 2.3L L4
- Transit Connect (2010–2013) – 2.0L L4
- Windstar (1996–2003) – 3.8L V6
GMC
- C1500 (1996–1998) – 4.3L V6
- C1500 (1996–1999) – 5.0L V8
- C1500 (1996–1999) – 5.7L V8
- C1500 Suburban (1996–1999) – 5.7L V8
- C2500 (1996–1999) – 5.0L V8
- C2500 (1996–2000) – 5.7L V8
- C2500 Suburban (1996–1999) – 5.7L V8
- C3500HD (1999–2000) – 5.7L V8
- Jimmy (1996–2005) – 4.3L V6
- K1500 (1996–1999) – 5.0L V8
- K1500 (1996–1999) – 5.7L V8
- K1500 Suburban (1996–1999) – 5.7L V8
- K2500 (1998) – 5.0L V8
- K2500 (1996–2000) – 5.7L V8
- K2500 Suburban (1996–1999) – 5.7L V8
- K3500 (1996–2000) – 5.7L V8
- P3500 (1996–1999) – 4.3L V6
- P3500 (1996–1999) – 5.7L V8
- Safari (1996–2005) – 4.3L V6
- Savana 1500 (1996–2014) – 4.3L V6
- Savana 1500 (1996–2002) – 5.0L V8
- Savana 1500 (1996–2002) – 5.7L V8
- Savana 2500 (1996–2006) – 4.3L V6
- Savana 2500 (1996–2002) – 5.0L V8
- Savana 2500 (1996–2002) – 5.7L V8
- Savana 3500 (1997–2002) – 4.3L V6
- Savana 3500 (2003) – 4.8L V8
- Savana 3500 (1996–2002) – 5.7L V8
- Sierra 1500 Classic (2007) – 4.3L V6
- Sonoma (1996–2004) – 4.3L V6
- W3500 Forward (1996–2003) – 5.7L V8
- W4500 Forward (1998–2003) – 5.7L V8
- Yukon (1996–2000) – 5.7L V8
Isuzu
- NPR (1996–2002) – 5.7L V8
Mazda
- B2500 (1998–2001) – 2.5L L4
- B4000 (1994–1996) – 4.0L V6
- MPV (2000–2001) – 2.5L V6
- Navajo (1991–1994) – 4.0L V6
Mercedes-Benz
- 260E (1987–1989) – 2.6L L6
- 300CE (1988–1989) – 3.0L L6
Mercury
- Bobcat (1975–1980) – 2.3L L4
- Bobcat (1977–1979) – 2.8L V6
- Capri (1975–1984) – 2.3L L4
- Capri (1975–1979) – 2.8L V6
- Capri (1983) – 3.8L V6
- Cougar (1981–1986) – 2.3L L4
- Cougar (1983) – 3.8L V6
- Marquis (1983) – 3.8L V6
- Monterey (2004–2007) – 4.2L V6
- Mountaineer (1997–2001) – 5.0L V8
- Mystique (1995–2000) – 2.5L V6
- Sable (1996–2005) – 3.0L V6
- Topaz (1984–1994) – 2.3L L4
- Zephyr (1978–1982) – 2.3L L4
Oldsmobile
- 88 (1992–1999) – 3.8L V6
- 98 (1986–1996) – 3.8L V6
- Achieva (1992–1993) – 3.3L V6
- Achieva (1995) – 2.3L L4
- Achieva (1996–1998) – 2.4L L4
- Achieva (1996–1998) – 3.1L V6
- Alero (1999–2004) – 3.4L V6
- Bravada (1996–2001) – 4.3L V6
- Calais (1985–1987) – 3.0L V6
- Cutlass (1997–1999) – 3.1L V6
- Cutlass Calais (1988) – 3.0L V6
- Cutlass Calais (1989–1991) – 3.3L V6
- Cutlass Ciera (1986–1988) – 3.8L V6
- Cutlass Ciera (1989–1993) – 3.3L V6
- Cutlass Ciera (1996) – 3.1L V6
- Cutlass Cruiser (1987–1988) – 3.8L V6
- Cutlass Cruiser (1989–1993) – 3.3L V6
- Cutlass Supreme (1996–1997) – 3.1L V6
- Delta 88 (1986) – 3.0L V6
- Delta 88 (1986–1991) – 3.8L V6
- Intrigue (1998–1999) – 3.8L V6
- Intrigue (1999–2002) – 3.5L V6
- LSS (1996–1999) – 3.8L V6
- Regency (1997–1998) – 3.8L V6
- Silhouette (1992–1995) – 3.8L V6
- Silhouette (1996–2004) – 3.4L V6
- Toronado (1986–1992) – 3.8L V6
Pontiac
- Aztek (2001–2005) – 3.4L V6
- Bonneville (1987–2005) – 3.8L V6
- Firebird (1993–1997) – 5.7L V8
- Grand Am (1992–1993) – 3.3L V6
- Grand Am (1995) – 2.3L L4
- Grand Am (1996–1998) – 3.1L V6
- Grand Am (1996–2001) – 2.4L L4
- Grand Am (1999–2005) – 3.4L V6
- Grand Prix (1996–2003) – 3.1L V6
- Grand Prix (1997–2008) – 3.8L V6
- Montana (1999–2005) – 3.4L V6
- Sunfire (1995) – 2.3L L4
- Sunfire (1996–1998) – 2.4L L4
- Sunfire (1998–2001) – 2.2L L4
- Sunfire (2002) – 2.2L L4
- Torrent (2006–2009) – 3.4L V6
- Trans Sport (1992–1995) – 3.8L V6
- Trans Sport (1996–1999) – 3.4L V6
Workhorse
- FasTrack FT931 (2002–2003) – 4.3L V6
- FasTrack FT1061 (2002–2004) – 5.7L V8
- FasTrack FT1061 (2004–2005) – 4.8L V8
- FasTrack FT1260 (2000–2001) – 5.7L V8
- FasTrack FT1261 (2002–2005) – 5.7L V8
- FasTrack FT1261 (2005) – 4.8L V8
- FasTrack FT1460 (2000–2002) – 5.7L V8
- FasTrack FT1461 (2002–2005) – 5.7L V8
- FasTrack FT1600 (2000–2001) – 5.7L V8
- FasTrack FT1601 (2002–2005) – 5.7L V8
- FasTrack FT1800 (2000–2001) – 5.7L V8
- FasTrack FT1801 (2002–2004) – 5.7L V8
- FasTrack FT1802 (2002–2003) – 5.7L V8
- P30 (2000–2005) – 5.7L V8
- P32 (2001–2002) – 5.7L V8
Volvo Penta
- 4.3GL-A – 4.3L V6
- 4.3GL-B – 4.3L V6
- 4.3GL-C – 4.3L V6
- 4.3GL-D – 4.3L V6
- 4.3GL-P – 4.3L V6
- 4.3Gxi-P – 4.3L V6
- 4.3Gxi-Q – 4.3L V6
- 4.3OSi-JF – 4.3L V6
- 5.0GL-C – 5.0L V8
- 5.0GL-D – 5.0L V8
- 5.0GL-E – 5.0L V8
- 5.0GL-F – 5.0L V8
- 5.0GL-G – 5.0L V8
- 5.0GL-GF – 5.0L V8
- 5.0GL-J – 5.0L V8
- 5.0GL-JF – 5.0L V8
- 5.0GL-FF – 5.0L V8
- 5.0GXi-A – 5.0L V8
- 5.0GXi-B – 5.0L V8
- 5.0GXi-BF – 5.0L V8
- 5.0GXi-C – 5.0L V8
- 5.0GXi-CF – 5.0L V8
- 5.0GXi-D – 5.0L V8
- 5.0GXi-DF – 5.0L V8
- 5.0GXi-E – 5.0L V8
- 5.0GXi-EF – 5.0L V8
- 5.0GXi-F – 5.0L V8
- 5.0GXi-FF – 5.0L V8
- 5.0GXi-G – 5.0L V8
- 5.0GXi-GF – 5.0L V8
- 5.0GXi-J – 5.0L V8
- 5.0GXi-JF – 5.0L V8
- 5.0GXiE-J – 5.0L V8
- 5.0GXiE-JF – 5.0L V8
- 5.0GXiE-K – 5.0L V8
- 5.0GXiE-KF – 5.0L V8
- 5.0GXiE-M – 5.0L V8
- 5.0GXiE-MF – 5.0L V8
- 5.0GXiE-N – 5.0L V8
- 5.0GxiC-J – 5.0L V8
- 5.0GxiC-JF – 5.0L V8
- 5.0GxiC-P – 5.0L V8
- 5.0GxiCE-J – 5.0L V8
- 5.0GxiCE-JF – 5.0L V8
- 5.0GxiCE-M – 5.0L V8
- 5.0GxiCE-MF – 5.0L V8
- 5.0GxiCE-P – 5.0L V8
- 5.0OSi-B – 5.0L V8
- 5.0OSi-BF – 5.0L V8
- 5.0OSi-C – 5.0L V8
- 5.0OSi-CF – 5.0L V8
- 5.0OSi-D – 5.0L V8
- 5.0OSi-E – 5.0L V8
- 5.0OSi-EF – 5.0L V8
- 5.0OSi-F – 5.0L V8
- 5.0OSi-FF – 5.0L V8
- 5.0OSi-G – 5.0L V8
- 5.0OSi-GF – 5.0L V8
- 5.0OSi-J – 5.0L V8
- 5.0OSi-JF – 5.0L V8
- 5.0OSiE-J – 5.0L V8
- 5.0OSiE-JF – 5.0L V8
- 5.7GL-C – 5.7L V8
- 5.7GL-D – 5.7L V8
- 5.7GL-E – 5.7L V8
- 5.7Gi-A – 5.7L V8
- 5.7Gi-B – 5.7L V8
- 5.7Gi-BF – 5.7L V8
- 5.7Gi-C – 5.7L V8
- 5.7Gi-CF – 5.7L V8
- 5.7Gi-D – 5.7L V8
- 5.7Gi-DF – 5.7L V8
- 5.7Gi-E – 5.7L V8
- 5.7Gi-EF – 5.7L V8
- 5.7Gi-F – 5.7L V8
- 5.7Gi-FF – 5.7L V8
- 5.7Gi-G – 5.7L V8
- 5.7Gi-GF – 5.7L V8
- 5.7Gi-J – 5.7L V8
- 5.7Gi-JF – 5.7L V8
- 5.7Gi-N – 5.7L V8
- 5.7Gi-300-J – 5.7L V8
- 5.7Gi-300-JF – 5.7L V8
- 5.7Gi-300-N – 5.7L V8
- 5.7GiE-J – 5.7L V8
- 5.7GiE-JF – 5.7L V8
- 5.7GiE-K – 5.7L V8
- 5.7GiE-KF – 5.7L V8
- 5.7GiE-M – 5.7L V8
- 5.7GiE-MF – 5.7L V8
- 5.7GiE-N – 5.7L V8
- 5.7GXi-A – 5.7L V8
- 5.7GXi-B – 5.7L V8
- 5.7GXi-C – 5.7L V8
- 5.7GXi-CF – 5.7L V8
- 5.7GXi-D – 5.7L V8
- 5.7GXi-DF – 5.7L V8
- 5.7GXi-E – 5.7L V8
- 5.7GXi-EF – 5.7L V8
- 5.7GXi-F – 5.7L V8
- 5.7GXi-FF – 5.7L V8
- 5.7GXi-G – 5.7L V8
- 5.7GXi-GF – 5.7L V8
- 5.7GXi-H – 5.7L V8
- 5.7GXi-HF – 5.7L V8
- 5.7GXi-J – 5.7L V8
- 5.7GXi-JF – 5.7L V8
- 5.7GXi-N – 5.7L V8
- 5.7GXiE-J – 5.7L V8
- 5.7GXiE-JF – 5.7L V8
- 5.7GXiE-K – 5.7L V8
- 5.7GXiE-KF – 5.7L V8
- 5.7GXiE-M – 5.7L V8
- 5.7GXiE-MF – 5.7L V8
- 5.7GXiE-N – 5.7L V8
- 5.7OSI-EF – 5.7L V8
- 5.7OSI-GF – 5.7L V8
- 5.7OSXi-A – 5.7L V8
- 5.7OSXi-AF – 5.7L V8
- 5.7OSXi-B – 5.7L V8
- 5.7OSXi-BF – 5.7L V8
- 5.7OSXi-C – 5.7L V8
- 5.7OSXi-CF – 5.7L V8
- 5.7OSXi-D – 5.7L V8
- 5.7OSXi-DF – 5.7L V8
- 5.7OSXi-E – 5.7L V8
- 5.7OSXi-EF – 5.7L V8
- 5.7OSXi-G – 5.7L V8
- 5.7OSXi-GF – 5.7L V8
- 5.7OSXi-J – 5.7L V8
- 5.7OSXi-JF – 5.7L V8
- 5.7OSXiE-J – 5.7L V8
- 5.7OSXiE-JF – 5.7L V8
- 5.7OSi-A – 5.7L V8
- 5.7OSi-AF – 5.7L V8
- 5.7OSi-B – 5.7L V8
- 5.7OSi-BF – 5.7L V8
- 5.7OSi-C – 5.7L V8
- 5.7OSi-CF – 5.7L V8
- 5.7OSi-D – 5.7L V8
- 5.7OSi-DF – 5.7L V8
- 5.7OSi-E – 5.7L V8
- 5.7OSiE-J – 5.7L V8
- 5.7OSiE-JF – 5.7L V8
- 5.7OSi-G – 5.7L V8
- 5.7OSi-J – 5.7L V8
- 5.7OSi-JF – 5.7L V8
- 5.7OSi-300-J – 5.7L V8
- 5.7OSi-300-JF – 5.7L V8
- 5.7SiE-JF – 5.7L V8
- OSi-XDP – 5.7L V8
- OSi-XPD – 5.0L V8
- OSXi-XDP – 5.7L V8
- V8-270-A – 5.0L V8
- V8-270-C-A – 5.0L V8
- V8-270-CE-A – 5.0L V8
- V8-300-C-A – 5.7L V8
- V8-300-CE-A – 5.7L V8
- V8-300-E-A – 5.7L V8
- V8-320-A – 5.7L V8
- V8-320-C-A – 5.7L V8
- V8-320-CE-A – 5.7L V8
- V8-332-E-A – V8
Kodiak
- Base – 4.3L V6
- Base – 5.7L V8
- Base – 7.4L V8
Indmar
Indmar Marine