srosant Starter Motor for 4.8L & 5.3L GM V8 — 2003–2008 Silverado/Tahoe/Avalanche, 12V PMGR, 9‑Tooth

This srosant starter motor is a direct-fit, 12V PMGR replacement designed to restart 4.8L and 5.3L GM V8 engines used in select 2003–2008 Chevrolet, GMC and Cadillac models.

Built as a like-for-like substitute for worn or failed starters, this unit restores cranking power without the need for expensive reprogramming or engine modifications. It meets OEM-style specifications (1.1 kW, clockwise rotation, 9 teeth) and ships new from the factory with a one-year free replacement warranty and factory-level quality checks.

Which vehicles will this starter fit?

This starter is engineered for a wide range of GM trucks and SUVs with 4.8L or 5.3L engines from the mid-2000s. Always cross-check mounting pattern, electrical connector and ring gear teeth count before ordering to confirm compatibility.

• Chevrolet: Silverado 1500 (2003–2008), Silverado 1500 Classic (2007), Avalanche 1500 (2003–2008), Tahoe (2003–2008), Suburban 1500 (2003–2008)
• Express vans: Express 1500 & 2500 (2004–2007), Express 3500 (2005–2007)
• Other GM models: TrailBlazer (2006–2008), TrailBlazer EXT (2004–2006), Cadillac Escalade (2003–2005), Buick Rainier (2004–2007)

How does this starter match OEM specifications?

The unit is supplied with PMGR (Permanent Magnet Gear Reduction) design and meets the key electrical and mechanical specs needed to replace original equipment. It installs using the same mounting holes and electrical terminals when matched to the correct applications.

• Voltage: 12V; Power: 1.1 kW; Rotation: clockwise (CW)
• Pinion gear: 9 teeth to engage standard flywheel/ring gear profiles
• Type: PMGR gear-reduction starter for improved torque and compact size
• Country of origin: CN; sold as 100% new components, not rebuilt

What part numbers and cross-references does it replace?

This starter is offered to replace many common OEM and aftermarket references so it's easier to find a match for older vehicles. Use your vehicle’s VIN or original starter reference to verify fitment against the list below.

• Common cross-reference numbers include: 106494, 12568051, 12578051, 12604477, 3362002A, 89018123 and SDR0270
• Also listed under multiple 323- and 337- style legacy numbers used by various suppliers
• If your stock starter shows any of these numbers, this srosant unit is a likely replacement

What warranty and quality checks are included?

srosant ships every starter new and subjects each unit to inspection and testing to ensure electrical continuity and proper gear engagement. The product includes a one-year free replacement policy for peace of mind after installation.

• 100% new components — no remanufactured parts
• Factory testing to verify fit, rotation and pinion engagement
• 1-year free replacement warranty with customer support response within 24 hours

Who is this for: This starter is intended for DIY mechanics, independent repair shops and fleet managers restoring mid-2000s GM V8 trucks and SUVs with 4.8L or 5.3L engines. Choose this unit if you need a direct-fit, cost-effective replacement that maintains factory mounting and electrical connections without vehicle reprogramming.