
Demystifying Diesel Engine Warranties
Warranty coverage is one of the most important factors when purchasing a replacement diesel engine. Understanding what's covered - and what's not - helps you make an informed decision.
Types of Engine Warranties
Parts-Only Warranty - Covers replacement parts only - You pay for labor and diagnostics - Common with budget rebuilders - Can result in significant out-of-pocket costs
Parts and Labor Warranty - Covers both parts and installation labor - More comprehensive protection - What US Engine Production offers - Better value for commercial operations
Prorated Warranty - Coverage decreases over time - You pay increasing percentage of costs - Read the fine print carefully - Often less valuable than it appears
Full Replacement Warranty - Complete engine replacement if needed - No depreciation or proration - Premium protection level - Best for mission-critical applications
What's Typically Covered
Internal Components: - Pistons, rings, and wrist pins - Connecting rods and bearings - Crankshaft and main bearings - Camshaft and lifters - Cylinder head and valves - Oil pump and timing components
What's Usually NOT Covered: - External accessories (alternator, starter, A/C) - Sensors and electrical components - Turbocharger (unless specified) - Fuel system components - Damage from neglect or abuse - Consequential damages
The US Engine Production Warranty Advantage
Our 1-Year Unlimited Mileage Warranty includes:
- All internal components - Complete coverage - Parts AND labor - No surprise costs - Nationwide coverage - Repairs at any qualified shop - Transferable - Adds resale value - No mileage limits - Drive with confidence
What Voids Warranty Coverage
Protect your warranty by avoiding:
- Improper installation - Use qualified technicians - Wrong fluids - Use OEM-spec oils and coolants - Neglected maintenance - Keep records of all service - Modifications - Chips, tuners, or non-OEM parts - Overloading - Operating beyond rated capacity - Contaminated fuel - Water or wrong fuel type
How to File a Warranty Claim
1. Document the problem - Note symptoms and conditions 2. Contact us immediately - Don't delay reporting issues 3. Get authorization - Before any teardown or repairs 4. Use approved facilities - We can recommend shops 5. Keep all documentation - Receipts, photos, reports
Questions to Ask Before Buying
- What specific components are covered? - Is labor included or just parts? - Are there mileage limitations? - What maintenance is required? - How do I file a claim? - Is the warranty transferable?
Contact US Engine Production at 631-991-7700 to learn more about our industry-leading warranty coverage.
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