Used 2014-2020 Chevrolet / GMC Trucks & SUVs 5.3L V8 Engine – L83 (129,169 Miles)

🔧 Part #: 300-05453A
📦 Stock #: MM1218

Engine Details:

• Engine Size: 5.3L V8 (323 CID)
• Engine Code: L83
• VIN: C (8th digit)
• Horsepower: 355 HP
• Fuel System: Direct Injection
• Condition: Used engine – 129,169 miles
• Configuration: Complete long block (up to flywheel depending on application)

Vehicle Fitment:

Chevrolet / GMC Trucks & SUVs:

• Sierra 1500 2014–2016 (VIN C, opt L83)
• Sierra 1500 2017–2019 Classic body style (VIN C, L83)
• Sierra Denali 1500 2014–2018 (VIN C, L83)
• Silverado 1500 2014–2016 (VIN C, L83)
• Silverado 1500 2017–2019 Classic body style (VIN C, L83)

SUV Applications:

• Tahoe 2015–2020 (VIN C, L83)
• Suburban 1500 2015–2020 (VIN C, L83)
• Yukon 2015–2020 (VIN C, L83)
• Yukon XL 1500 2015–2020 (VIN C, L83)

Interchange Information:

• A & B variants interchange with oil pan swap and fuel rail differences

Variant A (4-wire fuel rail system through 2016):

• GM 12657207 – Long block
• GM 12623417 – Intake manifold
• GM 12687244 – Left fuel rail
• GM 12685360 – Right fuel rail

Variant B (3-wire fuel rail system from 2017+):

• GM 12697432 – Long block
• GM 12623417 – Intake manifold
• GM 12701132 – Left fuel rail
• GM 12701134 – Right fuel rail
• Ident: 12697432

Important Notes:

⚠️ Must verify fuel pressure sensor before installation
⚠️ Oil pan swap may be required depending on application
⚠️ Electrical, induction, and emissions components vary—must be transferred as needed
⚠️ Wiring harness and accessories are NOT included unless specified

📦 Freight shipping available (commercial address preferred)
📍 Local pickup available
📞 Contact for pricing, availability, and compatibility confirmation before purchase