• OE Quality: Manufactured to Isuzu dimensional and sealing specifiions for perfect fit
• Locking Security: Integrated key lock prevents fuel theft and unauthorized opening. Comes with two keys
• Tight Seal: Fuel-resistant rubber gasket creates a vapor-tight seal, reducing fuel evaporation and preventing water/dirt ingress
• Durable Construction: Corrosion-resistant materials withstand weather and fuel exposure
• Key Retention: Key can be removed only when cap is locked (some designs)
• Prevents Check Engine Light: Proper seal prevents evaporative emission system faults
• Direct Replacement: No modifiion required - simply remove old cap and install new one
• Cost-Effective: Affordable replacement for lost, damaged, or worn original caps

This locking fuel tank cap is specifically designed for Isuzu NPR75 trucks with 4HK1 engine.

Isuzu Truck Models:

• ISUZU NPR75 (medium-duty truck, 4HK1 engine)
• May also fit other Isuzu N-series models with similar fuel filler neck - verify

Engine Specifiion - ISUZU 4HK1:

• 4-Cylinder, Inline Diesel, DOHC, Common Rail
• Displacement: 5.2L (5193cc)

1. Remove old fuel tank cap - turn counterclockwise (or twist bayonet style) and pull off
2. Inspect fuel filler neck - check for damage, rust, or debris. Clean if necessary
3. Unlock new cap (if locked) - use provided key to unlock
4. Install new cap - align with filler neck threads or bayonet lugs. Turn clockwise until it clicks (or stops). Lock the cap by turning the key
5. Remove key - ensure key can be removed only when locked (typical design)
6. Test seal - after driving a short distance, check for fuel odor or loose fit
7. Keep spare key - store in a safe loion (e.g., glove box or key box)

• Material Verifiion: Plastic/metal composition and sealing rubber tested
• Dimensional Inspection: Cap diameter, thread/bayonet profile, and gasket thickness verified
• Leak Test (Pressure/Vacuum): Sample caps tested for seal integrity
• Lock Function Test: Each cap's key cylinder cycled to ensure smooth operation
• Key Uniqueness: Random key codes ensure minimal chance of key dupliion
• Gasket Material Test: Rubber hardness and fuel immersion test (swelling, hardness change)
• Visual Inspection: 100% checked for scratches, burrs, or missing keys
• Packaged Safely: Cap sealed in poly bag with keys attached, boxed to prevent scratching

• Neutral export packing or customized packaging available
• Carton or wooden case for safe transportation
• Fast delivery for stock items
• Shipping by Express Air or Sea

For pricing, availability, or bulk purchase of the Fuel Tank Cap With Key 8-98201369-0 For Isuzu NPR75 4HK1, please contact our sales team for a competitive quote and expert technical support.