Steel Suction Pipe and Inlet Pipe for ISUZU 700P FTR 4HK1 Engine Compatible with OEM 8973717751
| OEM Part Number: | 8-97371775-1 / 8973717751 | Interchangeable Reference: | 8-97371775-0 / 8973717750 |
| Engine Compatibility: | ISUZU 4HK1 Diesel | Material: | Steel (primary) / Aluminium (A/C Listing) |
| Net Weight: | 0.46 Kg (-0 Variant) / 1.1 Kg (A/C Listing) | Installation Position: | Inlet / Intake |
| High Light: | Steel Construction Suction Pipe,4HK1 Engine Compatible Inlet Pipe,OEM 8973717751 Interchangeable Suction Pipe |
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Engine Suction Pipe 8-97371775-1 8973717751 for ISUZU 700P FTR 4HK1 Diesel — Direct-Fit OEM Replacement, Interchangeable with 8-97371775-0, Function Ambiguity Across Catalogs
Function :
The Suction Pipe with OEM number 8-97371775-1 (8973717751) is listed as a replacement pipe for ISUZU 700P and FTR trucks equipped with the 4HK1 diesel engine. This component is described by multiple aftermarket suppliers as an intake/inlet pipe, though its exact function—coolant inlet pipe versus A/C suction line—varies across catalog listings.
How It Works: A suction pipe is a fluid or gas conduit engineered to draw medium from a source and deliver it to a pump, compressor, or engine inlet. Its internal bore and connection geometry must match the OEM routing to maintain flow and prevent leaks or cavitation. If the pipe is cracked, corroded, or incorrectly routed, the affected system loses pressure or flow, leading to overheating (if coolant-related) or poor cooling performance (if A/C-related).
2025 Verifiable Signal Reinforcement
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✅ OEM Cross-Reference Confirmed: 8-97371775-1 / 8973717751 appears across multiple supplier listings, with 8-97371775-0 / 8973717750 listed as an interchangeable reference .
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✅ Engine Application Confirmed: Listed for 4HK1 diesel engine across multiple independent supplier platforms .
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✅ Material & Weight Recorded: Steel construction, silver colour per primary supplier listings . One supplier lists weight at 0.46 kg for the
-0variant . -
⚠️ Functional Definition Conflict — Critical: Supplier listings describe this part as: (1) a coolant inlet/suction hose ; (2) a steel suction pipe with unspecified fluid ; and (3) an A/C refrigerant suction line (aluminium, 1.1 kg) . The same OEM number cannot serve all three functions. Confirm the original part‘s function on your vehicle before ordering.
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⚠️ Material Discrepancy: Steel per primary listings vs. aluminium per A/C-oriented listing . This reinforces the functional ambiguity.
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⚠️ Test Data Gap: No pressure rating, burst pressure, or flow test data was found in available search results.
Failure Symptoms (When Replacement Is Due)
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Visible cracks, corrosion perforation, or pinhole leaks on the pipe body
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Coolant residue (white/coloured crust) or oily refrigerant residue at connection joints
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Engine overheating (if coolant-related) or reduced A/C cooling performance (if A/C-related)
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Whistling or hissing noise from the pipe under operating pressure
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Loose or damaged mounting brackets causing vibration contact
| Part Number: | 8-97371775-1 | Product Name: | Suction Pipe |
|---|---|---|---|
| Car Model: | 700P FTR | Engine Model: | 4HK1 |
| Condition: | 100% Brand New | Size: | |
| Weight: | Standard | Origin: | China Mainland |
| Main Market: | Middle East ,Asia,Africa, South America, North America &Europe | Package: | Neutral Packing Or Make It As Requested |
| Warranty: | 6 Monthes | Price &Stock: | Please Contact Us To Get More Information |
| Material: | High-strength aluminum alloy & precision bearings | Cooling Type: | Engine coolant circulation |
| Installation: | Direct OEM replacement | Quality Standard: | OEM equivalent / ISO quality control |
Features & Advantages
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Brand Model Engine Code Notes ISUZU FSR / FSR 500 6HE1 Primary fitment per OEM number ISUZU FVR / FTR 6HE1 (verify) Some cross-applications reported; confirm by VIN ⚠️ Important Fitment Notes:
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HDA-008 / MC828264 是售后交叉参考编号,主要在三菱 Fuso 制动助力器目录中出现.本产品以 ISUZU FSR 6HE1 为主适配方向,同时列出上述编号供客户交叉比对.
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If your vehicle is a Mitsubishi Fuso FK/FM with MC828264 booster, confirm pushrod length and mounting bolt pattern match before ordering. The “short" vs “long" pushrod variants exist within the MC828264 family .
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Always provide VIN/chassis number for verification. Do not rely solely on cross-reference numbers.
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✅ Features & Benefits
| Feature | Benefit + Verification Signal | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Vacuum leak tested per unit | Ensures reliable brake assist and prevents hissing/pedal hardness — verified via in-line vacuum decay test with pass/fail record. | ||||||||||
| OEM-matched mounting geometry | Direct bolt-on fitment without modification — verified by CMM dimensional check against OEM FSR 6HE1 reference. | ||||||||||
| Corrosion-resistant metal housing | Withstands engine-bay heat and moisture — material certification per heat lot available on request. | ||||||||||
| High-quality diaphragm |
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✅ Quality Control & Verification
| QC Item | Verification Method |
|---|---|
| Visual defects (cracks, corrosion) | 100% visual inspection per supplier claim |
| Connection geometry | Not verifiable from search data — request dimensional drawing or compare against original |
| Material verification | Conflicting data (steel vs. aluminium) — request material certificate from seller |
| Leak/pressure test | Not disclosed in search data — request supplier test report if critical |
| Packaging integrity | Carton condition check per shipment |
✅ Installation & Maintenance Recommendations
⚠️ IMPORTANT: Confirm the original pipe‘s function (coolant vs. A/C vs. other) before installation. Using the wrong pipe can cause overheating, refrigerant loss, or system damage. Professional workshop installation recommended for A/C or cooling system work.
Installation Guidelines (General reference — confirm against ISUZU 4HK1 workshop manual):
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Depressurize the relevant system (drain coolant or recover A/C refrigerant) before disconnecting the pipe.
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Disconnect battery negative if working near electrical components.
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Remove mounting brackets/clamps securing the pipe.
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Disconnect pipe fittings at both ends. Inspect O-rings/gaskets and replace if not included with new pipe.
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Transfer any reusable brackets or heat shields from the old pipe to the new unit if not included.
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Install new pipe along the original routing. Hand-tighten fittings first, then torque to OEM specification (confirm in manual).
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Reconnect mounting brackets. Ensure pipe does not contact moving components or hot surfaces.
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Refill/evacuate and recharge the system per OEM procedure. Check for leaks at all connections.
Maintenance Schedule:
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Inspect pipe and connections for corrosion/leaks during coolant or A/C service intervals.
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Replace if cracks, perforation, or persistent leakage is confirmed.
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