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Thermo King Genuine OEM Fuel Injection Pump Spring Assembly — 118973 (Pack of 10)
$35.99
Sale price
$35.99
Regular price
$59.99
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Thermo King Genuine OEM Fuel Injection Pump Spring Assembly — 118973 (Pack of 10)
$35.99
Sale price
$35.99
Regular price
$59.99
Maintain consistent internal injection pressures and prevent fuel system failure with the Thermo King Genuine OEM Fuel Injection Pump Spring Assembly (Part 118973). Available in a bulk-savings pack of 10, these factory-original internal springs work directly alongside the metering valves to ensure steady tension and precise fuel return cycles. Manufactured in Japan to extreme tolerances, these springs prevent fuel starvation, engine lag, and unexpected shutdowns in overworked reefer engines. Keeping this 10-pack on hand ensures fleet operators and mobile mechanics can easily swap worn springs during high-volume injection pump overhauls.
⭐ Key Features & Benefits
- Genuine OEM Precision: Engineered specifically to meet factory-rated tension and recovery metrics for flawless Thermo King operation.
- Bulk Pack of 10: Offers high-volume savings and optimal stock availability for fleet managers, shop owners, and service centers.
- Fatigue-Resistant Steel: Built from specialized spring-steel alloy to withstand millions of continuous high-pressure injection cycles.
- Restores Engine Smoothness: Eliminates micro-slack or hesitation in the fuel delivery process, promoting steady idle behavior.
- Prevents Premature Pump Wear: Sustains correct internal counter-pressure, keeping surrounding injection components running longer.
🔧 Uses / Applications
- Injection Pump Rebuilding: Replaces weak, rusted, or snapped internal tension springs during a fuel system overhaul.
- Reefer Trailer Maintenance: Serves high-capacity transport refrigeration systems using Yanmar diesel engine platforms.
- Preventative Fleet Servicing: Designed for regular maintenance schedules to ensure reliable long-distance temperature regulation for sensitive cargo.
- Commercial Stock Replenishment: Perfect item for service van inventory, dealership parts rooms, and independent commercial garages.
📊 Technical Specifications
| Specification | Detail |
|---|---|
| Part Type | Fuel Injection Pump Return Spring (10-Piece Multipack) |
| Position | Internal Fuel Injection Pump Assembly |
| Part Number | 118973 / 11-8973 / 118973TKA |
| Material | High-Tensile Heavy-Duty Spring Steel Alloy |
| Fitment | Direct-Fit OEM Thermo King Platforms |
| Condition | Brand New (Genuine OEM Overstock / Bulk Pack Liquidation) |
| Installation | Internal Component Replacement |
🔄 Cross-Reference / Interchange Table
| Manufacturer | Equivalent Part Number |
|---|---|
| OEM (Thermo King) | 118973, 11-8973, 118973TKA |
| Related Components | 118972 (Fuel Injection Valve Pump Assembly) |
| Associated Hardware | 118977 (Injection Pump Sealing Gasket Washer) |
| Additional Notes | Pack contains ten (10) individual springs. Internal component replacement requires careful, dirt-free environment handling. |