Description
Part Description
This Grade A engine assembly is a complete 4.8L V8 motor (VIN A, 8th digit, L20 option code) removed from a 2010 GM Trucks Silverado 1500 with 101,000 miles. The engine has been thoroughly inspected by our certified technicians and is currently on the shelf ready to ship. This OEM unit includes all major internal components and represents excellent value compared to remanufactured alternatives.
The 4.8L V8 engine is a workhorse powerplant known for reliability in GM’s light-duty truck lineup. Common replacement needs arise from high mileage wear, overheating damage, or collision-related damage to the engine bay. This particular engine’s moderate mileage and Grade A condition make it an ideal replacement for vehicles experiencing engine knock, excessive oil consumption, or complete engine failure.
603 Auto Salvage maintains over 50,000 quality used parts in stock from more than 1,100 vehicles in our Plaistow, NH facility. Our experienced team can help verify fitment and arrange professional shipping anywhere in New England and beyond. Contact us today to discuss your engine replacement needs or browse our extensive online inventory for additional GM truck components. 50,000+ parts in stock from over 1,100 vehicles. Contact us or call (603) 392-7313 for anything you need.
Part Specifications
| Part | Engine Assembly – Complete 4.8L V8 Motor |
| Interchange # | 5648 |
| OEM Part Number | Contact for OEM# |
| Side | N/A |
| Part Grade | A — Grade A – 101,000 miles, inspected and shelf-ready |
| Warranty | 90-Day Warranty (Moderate mileage engine with verified compression and oil pressure) |
| Type | Used OEM |
Vehicle Information (Donor)
| Year / Make / Model | 2010 GM TRUCKS SILV15 |
| VIN | N/A |
| Vehicle Stock # | 0915258762 |
Our Testing & Inspection Process
Every part at 603 Auto Salvage is inspected before listing. Here is what was verified on this Engine Assembly – Complete 4.8L V8 Motor:
| ✅ Compression Test | All cylinders within acceptable range |
| ✅ Oil Pressure | Verified proper oil pressure at idle and RPM |
| ✅ External Inspection | No visible cracks, leaks, or damage to block or heads |
| ✅ Accessory Mounting | All mounting points and brackets intact |
| ✅ Timing Components | Timing chain and components inspected |
| ✅ Valve Train | Valve train operation verified during inspection |
Compatibility — What Vehicles Does This Part Fit?
Based on interchange #5648, this part fits the following vehicles. Always confirm fitment with your mechanic before purchasing.
| Year(s) | Make | Model | Notes |
|---|---|---|---|
| 2007-2013 | Chevrolet | Silverado 1500 | 4.8L V8 VIN A engines – verify VIN code |
| 2007-2013 | GMC | Sierra 1500 | 4.8L V8 VIN A engines – verify VIN code |
| Contact us | Various | GM Models | Contact for complete compatibility list using interchange #5648 |
Questions? Need a shipping quote? Call us now:
603 Auto Salvage | 233 Main St, Plaistow, NH 03865
Mon–Fri 8am–4:30pm | Sat 8am–2pm | Sun Closed
Warranty & Shipping
Frequently Asked Questions
What is included with this 4.8L engine assembly?
This is a complete long block engine assembly including the block, heads, pistons, crankshaft, camshaft, and valve train components. External accessories like alternator, starter, and intake manifold may need to be transferred from your original engine.
How do I verify this engine fits my Silverado?
Check your vehicle’s VIN – the 8th digit should be ‘A’ indicating the 4.8L V8 engine. You can also reference our interchange number 5648 or contact us with your VIN for verification.
What is the condition of this 101k mile engine?
This Grade A engine has been compression tested and inspected for proper oil pressure. At 101,000 miles, this 4.8L V8 has significant remaining service life when properly maintained.
Can this engine be shipped and how is it packaged?
Yes, we ship engines nationwide via LTL freight on pallets with proper protection. The engine is drained of fluids and securely mounted for safe transport.
What causes 4.8L V8 engines to need replacement?
Common issues include timing chain problems, excessive oil consumption, bearing wear, or overheating damage. Some engines are replaced due to accident damage rather than mechanical failure.
Is this better than a remanufactured engine?
This OEM engine retains all original components and machining tolerances. With only 101k miles and Grade A condition, it offers excellent value compared to remanufactured alternatives.
Related Parts & Resources
OEM Part Numbers & Cross-Reference
Looking for this part by number? Here are the reference numbers:
| Engine Code | L20 (4.8L V8) |
| VIN Position | A (8th digit) |
| Displacement | 4.8L (293 cubic inches) |
| Configuration | V8 OHV |
Price Comparison — Why Used OEM Makes Sense
| Source | Price Range | Warranty | Notes |
|---|---|---|---|
| Dealer (New OEM) | $8,000 – $12,000 | 1 year | Brand new, longest wait time |
| Aftermarket | $4,500 – $6,500 | Varies | Non-OEM fitment, quality varies |
| Other Salvage Yards | $2,500 – $3,500 | 30–60 days | Varies in quality and testing |
| 603 Auto Salvage | $2000.00 | 90-Day Warranty | Tested, Grade A, ships in 24hrs |
Installation Notes
- Transfer all external accessories from your original engine including intake manifold, exhaust manifolds, and wiring harnesses
- Replace engine oil, filter, and coolant during installation – do not reuse old fluids
- Verify motor mount condition and replace if worn to prevent vibration issues
- Check that all vacuum lines and electrical connections are properly routed and secured
- Perform initial startup procedure with proper break-in oil and monitor for leaks
🔍 Free Fitment Check
Call us with your VIN and we will verify compatibility for free. No obligation, no pressure — just answers.
Our parts specialists check interchange data in real-time
Estimated Shipping Costs by Region
This part ships via LTL Freight. Prices are estimates — call for an exact quote to your zip code.
| Region | Estimated Cost | Transit Time |
|---|---|---|
| New England (NH, MA, ME, VT, CT, RI) | $150 – $250 | 1–3 business days |
| Northeast (NY, NJ, PA, MD, VA) | $200 – $350 | 2–4 business days |
| Southeast (FL, GA, NC, SC, TN) | $300 – $450 | 3–5 business days |
| Midwest (OH, MI, IL, IN, WI, MN) | $350 – $475 | 3–5 business days |
| Southwest (TX, AZ, NM, OK) | $400 – $550 | 4–6 business days |
| West Coast (CA, OR, WA) | $450 – $600 | 5–7 business days |
Local pickup is always free. Free delivery within 30 miles of Plaistow, NH.
Why Buy From 603 Auto Salvage?
- 50,000+ parts in stock from over 1,100 vehicles on-site in Plaistow, NH
- Every part inspected before listing — no guesswork
- Family-owned salvage yard — real people, not a call center
- 90-Day Warranty on this part
- Fast shipping — most orders ship within 24 hours
- Competitive pricing — save 50–70% vs dealer prices
- Serving New Hampshire, Massachusetts & all 50 states
Ready to order? Call (603) 392-7313 or add to cart above. We are here to help.




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