New Starter Fits Cadillac CTS 5.7L 2005 2004 323-1619 9000975 98017491 12586707

2004-2005 CADILLAC CTS-V — 5.7L 346ci LS6 V8 400HP:
• First-Generation CTS-V Performance Sedan
• Tremec T-56 6-Speed Manual / Rear-Wheel Drive
• GM Sigma Platform / Debut Cadillac V-Series

LS6 5.7L V8 ENGINE:
• 5.7L (346ci) V8 OHV 16-Valve / GM Gen III Small-Block
• Bore x Stroke: 3.898" x 3.622" (99mm x 92mm)
• Compression: 10.5:1 / Power: 400HP / 395 lb-ft
• Aluminum Block and Cathedral-Port Heads
• OHV Pushrod / Hydraulic Roller Lifters
• Sequential Multi-Port Injection
• Derived from Corvette Z06 LS6 engine

OEM PART NUMBERS:
• GM: 12586707 / 89017491
• Delco: 89017491 / 323-1619 / 9000975 / 98017491
• Bosch: SR8663X / Remy: 26619 / STARTER SPECIFICATIONS:
• Type: PMGR (Delco PG260L) / Voltage: 12V
• Rotation: CW / Teeth: 11 / Gear OD: 29.4mm
• Mounting: 10mm Unthreaded / Weight: 8.35 lbs / 3.8 kg

Cadillac CTS-V Starter — 12V Delco PG260L PMGR for LS6 5.7L 346ci V8:
Premium aftermarket Delco PG260L PMGR starter for the first-generation 2004-2005 Cadillac CTS-V with LS6 5.7-liter V8. The LS6 produces 400 horsepower and 395 lb-ft of torque from its aluminum Gen III small-block architecture with 3.898" bore, 3.622" stroke, and 10.5:1 compression ratio. Features cathedral-port aluminum heads, OHV pushrod valvetrain with hydraulic roller lifters, and sequential multi-port fuel injection. Originally developed for the C5 Corvette Z06, the LS6 was adapted for the CTS-V with a Tremec T-56 6-speed manual transmission. This compact PMGR starter delivers reliable cranking with an 11-tooth CW pinion and 29.4mm gear OD. Just 8.35 lbs with 10mm unthreaded mounting ears.
⚠️ IMPORTANT: Verify OEM part number before ordering to ensure proper fitment.