FAW Ca6dm2 Engine Fuel Fine Filter 1117050b81dm for FAW J6 J7/J6V/J6p/J6l/J6e/J6g/J6m/Jh6/Jk6/Jh5 Truck Engine Parts
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Vehicle Type: FAW truck parts
Brand Name: FAW
Person in charge: William Du
Cel: 8619050562894
Whatsapp: 8619050562894
E-mail: sales22@chinatruck.cc
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Details
1.Product Description
In heavy-duty FAW J6 and J7 commercial truck operations, the fuel fine filter is far more than a standard consumable maintenance part — it is the final precision protection barrier guarding the CA6DM2 high-pressure fuel injection system from catastrophic contamination damage.
When the fuel filtration system begins to degrade, it triggers a dangerous chain reaction throughout the entire heavy-duty diesel engine fuel system:
Phase 1: Micron-Level Contamination – Fine particles, rust debris, and water begin bypassing weakened filter media.
Phase 2: Injector Abrasion – High-pressure injector needles and plungers start suffering microscopic wear under contaminated fuel flow.
Phase 3: Pressure Instability – Fuel rail pressure fluctuation causes unstable combustion and intermittent power loss.
Phase 4: Injector Failure – Precision injector atomization quality collapses under long-term contamination overload.
Phase 5: Engine System Breakdown – Severe injector damage leads to black smoke, hard starting, piston overheating, and expensive engine repair downtime.
Critical Fleet Impact:
For fleet operators and maintenance workshops, a failing fuel fine filter does not simply increase fuel consumption. It directly threatens the injector system, high-pressure fuel pump lifespan, engine combustion stability, and overall transport profitability.
2.Technical Parameters
| Item | Specification |
|---|---|
| OEM No | 1117050B81DM |
| Product Name | Engine Fuel Fine Filter |
| Engine Platform | FAW CA6DM2 Diesel Engine |
| Type | Heavy-Duty Diesel Fuel Fine Filtration Element |
| Vehicle Application | FAW J6 / J7 / J6V / J6P / J6L / J6E / J6G / J6M / JH6 / JK6 / JH5 |
| Filtration Precision | High-Efficiency Micron-Level Filtration |
| Filter Media | Multi-Layer Heavy-Duty Composite Filter Paper |
| Housing Material | Reinforced Metal Shell Structure |
| Connection Type | Standard FAW Fuel System Thread Interface |
| Fuel Compatibility | Standard Commercial Diesel Fuel |
| Working Condition | Long-Haul Logistics / Mining / Construction / Fleet Transport |
| Pressure Resistance | Heavy-Duty High-Pressure Fuel System Standard |
| Surface Treatment | Anti-Corrosion Coating |
| Packing | Neutral Export Carton with Protective Inner Packaging |
| Application | Heavy-Duty Commercial Truck Fuel Systems |
3.Fitment Problem — Make Sure It Works
Fitment Models
| Brand | Model | Engine Platform | Fitment |
| FAW | J6 Series | CA6DM2 | Direct Fit |
| FAW | J7 Series | CA6DM2 | Direct Fit |
| FAW | JH6 / JK6 | CA6DM2 | Direct Fit |
| FAW | J6P / J6V / J6L | CA6DM2 | Can Be Adapted |
(1) How to verify part’s fitment?
Fuel fine filters are often misjudged because many aftermarket products share nearly identical external dimensions while the actual filtration precision, bypass valve calibration, sealing structure, and internal filter paper quality are completely different.
A wrong filter may physically install onto the engine, but the internal filtration efficiency may fail completely under high-pressure heavy-duty operation.
Do not rely only on appearance. Confirm by engine platform and OEM number.
Checks Before Purchase
[ ] OEM number: 1117050B81DM
[ ] Engine model confirmation: CA6DM2
[ ] Original filter outer diameter and height
[ ] Thread specification and sealing ring structure
[ ] Fuel inlet pressure platform
[ ] Original vehicle VIN information
[ ] Injector system platform confirmation
[ ] Filter base compatibility
(2) OEM Cross Verification
| Compatibility Status | Target Heavy-Duty Platforms & Conditions | Engineering Fitment Action |
| Direct Fit | • FAW CA6DM2 engine fuel filtration systems sharing identical OEM structure. | 100% Drop-In Replacement |
| • FAW J6 and J7 heavy-duty truck fuel system platforms. | No modifications required. | |
| Can Be Adapted | • Some regional export variants with equivalent fuel filter bases. | Requires confirmation of sealing structure and thread platform. |
| Similar But NOT Compatible | • Low-pressure diesel systems with different filtration standards. | DO NOT INSTALL (CRITICAL) |
| • Light truck fuel filters with insufficient pressure resistance. | Severe injector contamination risk. |
4.Common Field Failure Case
(1) Case Study Item
| Case Study Item | Field Operational Profiles & Technical Realities |
| Vehicle Fleet Model | FAW JH6 Long-Haul Logistics Fleet |
| Service Life / Usage | Approx. 380,000 km Continuous Highway Transport |
| Field Problem Manifestation | Engine acceleration hesitation, unstable idle, black smoke during heavy load climbing. |
| Technical Root Cause | • Low-quality fuel filter media collapsed internally under fuel pressure. |
| • Water contamination bypassed damaged filter paper structure. | |
| • Injector nozzles developed precision wear from long-term contamination exposure. | |
| Engineering Solution | Replaced 1117050B81DM fuel fine filter and performed complete injector system cleaning. |
| Proven Customer Benefits | • Restored stable fuel pressure and combustion quality. |
| • Prevented expensive injector replacement costs. | |
| • Eliminated repeated engine power complaints. |
(2) Smart Buying Guide (Don't Waste Money on Wrong Repairs)
Table A: Symptom Recognition — The "Cold Start vs. Heavy Load" Fuel Filter Logic
(Who should read: Drivers and Fleet Mechanics / When to use: Early fuel system diagnosis stage)
| Truck Operating Condition | What the Truck Does (Symptom) | Technical Reality (What It Really Means) | Action & Maintenance Rule |
| Cold Engine Start | Engine starts normally with minor delay. | Initial fuel flow restriction still within tolerance range. | Continue monitoring filtration condition. |
| Heavy Load Acceleration | Engine power drops and throttle response becomes unstable. | Fuel filter restriction increases under high-demand fuel flow. | Replace fuel fine filter immediately. |
| Long-Distance Operation | Black smoke and unstable rail pressure alarms appear intermittently. | Fuel contamination and pressure fluctuation already affecting injector atomization. | Critical Risk: Injector system damage may begin spreading. |
Table B: Misdiagnosis Risk — Stop Changing the Wrong Parts!
(Who should read: Workshop Managers & Fleet Cost Controllers / When to use: Before replacing expensive fuel system parts)
| What You Think Is Broken (Wrong Judgment) | The Real Root Cause (What You Actually Need to Fix) | Money-Saving Tip |
| "The injector is damaged because the engine lacks power!" | The fuel fine filter is heavily restricted, reducing high-pressure fuel supply stability. | Replace the filter first before replacing injectors. |
| "The high-pressure fuel pump is failing!" | Poor filtration efficiency caused unstable fuel rail pressure fluctuation. | A correct fuel filter may solve the issue without expensive pump replacement. |
Table C: Fake vs. Premium Heavy-Duty Fuel Filter Identification
(Who should read: Importers and Local Spare Part Dealers / When to use: Quality inspection before purchasing)
| Inspection Indicator | Cheap / Fake / Low-Quality Risk | Our Premium Heavy-Duty Quality | Why It Matters for Your Business |
| 1.Filter Paper Quality | Thin low-density paper collapses under pressure. | Multi-layer heavy-duty composite filtration media. | Stable injector protection under continuous heavy load. |
| 2.Sealing Ring Quality | Inferior rubber hardens rapidly under diesel exposure. | High-temperature fuel-resistant sealing structure. | Prevents leakage and air entry into fuel system. |
| 3.Internal Structure | Weak internal support tube deforms under pressure. | Reinforced heavy-duty inner structural core. | Maintains stable filtration during high-flow operation. |
5.Risk Control —— Make sure everything goes well
| Supply Chain Risk | Customer Operational Concern | Our Proactive Quality Assurance Solution |
| Wrong Engine Platform | Filter cannot match injector system flow requirements. | VIN and engine platform cross-verification before shipment. |
| Poor Filtration Quality | Injector wear and fuel contamination spread. | Heavy-duty multi-layer filtration media quality inspection. |
| Wrong Sealing Structure | Diesel leakage and air entry after installation. | OEM sealing ring dimensional verification before packing. |
| Ocean Transport Corrosion | Rust contamination during long-distance shipping. | Moisture-proof export packaging with anti-corrosion treatment. |
| Transport Damage | Filter shell deformation during logistics handling. | Reinforced export carton with internal protective packaging. |
6.Supplier Stability and Procurement Value —— Make More Profit in Your Market.
| Who Are You | Troubles We Save For You | Real Money & Business Value |
| For Fleet Owners & Workshop Repair Mechanics | • Prevent repeated injector contamination failures. | Keep Your Trucks Moving: |
| • Reduce unexpected fuel system downtime. | Stable filtration performance helps protect expensive injector systems and reduce operating costs. | |
| For Local Spare Part Dealers & Wholesalers | • Reduce customer complaints from poor-quality filters. | Sell Fast and Make Big Profits: |
| • Stable OEM number management improves inventory efficiency. | Neutral export packaging supports local branding and long-term resale business. |
7.Related Truck Parts —— Buy More, Save More, Earn More Profit!
| Part Category | Exact Truck Parts | Official OEM / Part No. | Why You Should Buy Together? |
| 1.Directly Associated Parts | Fuel coarse filter assembly | 1105010A81DM | Protect the complete fuel filtration system. |
| Fuel water separator | 612600081335 | Prevent water contamination entering injectors. | |
| Fuel filter base | 1117010A81DM | Ensure stable filter installation sealing. | |
| High-pressure fuel pipe | 1111015A81DM | Prevent unstable rail pressure leakage. | |
| Fuel transfer pump | 1106010A81DM | Maintain stable diesel supply flow. | |
| Fuel inlet hose | 1104250A81DM | Reduce air entry and suction leakage. | |
| Fuel return hose | 1104260A81DM | Maintain fuel circulation stability. | |
| Injector return pipe | 1112150A81DM | Prevent injector backflow leakage. | |
| 2.Same System Core Parts | Common rail injector | 0445120 Series | Core injector system component. |
| High-pressure fuel pump | 1104010A81DM | Maintain rail pressure stability. | |
| Fuel rail assembly | 1111010A81DM | Stabilize injector fuel distribution. | |
| Rail pressure sensor | 0281006425 | Maintain ECU fuel pressure control. | |
| Fuel metering valve | 0928400827 | Control diesel supply regulation. | |
| Injector wiring harness | 3724010A81DM | Ensure injector electrical stability. | |
| ECU control module | 3612010A81DM | Manage complete fuel injection logic. | |
| Fuel pressure limiting valve | 1111030A81DM | Prevent excessive rail pressure spikes. | |
| 3.Frequently Ordered Consumables | Injector copper washer | 1003016A81DM | Prevent injector combustion leakage. |
| Fuel pipe sealing ring | Q1840616 | Reduce diesel leakage risk. | |
| Diesel system O-ring kit | VG1540080311 | Essential during fuel system service. | |
| Fuel hose clamp set | WG9725550202 | Secure fuel hose installation. | |
| Diesel pre-filter element | 612630080088 | Improve coarse filtration protection. | |
| Fuel tank breather cap | 1103082A81DM | Stabilize fuel tank ventilation. | |
| Fuel tank suction pipe | 1103015A81DM | Maintain smooth diesel supply. | |
| 4.Often Forgotten Small Parts | Injector return connector | 1112135A81DM | Prevent diesel seepage around injectors. |
| Fuel filter mounting gasket | 1117055A81DM | Prevent installation leakage. | |
| Fuel sensor connector plug | DJ7061Y-2.2-11 | Prevent intermittent signal failure. | |
| Fuel line fixing clamp | 8101515A81DM | Prevent vibration damage to fuel pipes. | |
| Fuel filter drain valve | 1117060A81DM | Support routine water drainage maintenance. | |
| Fuel system check valve | 1106240A81DM | Prevent reverse diesel flow. |
Contact Information
Your Direct Contact: William Du (Senior Export Sales Manager)
Our Expertise: Full Supply Chain for FAW | SINOTRUK | SHACMAN | Foton | Weichai Heavy Truck Spare Parts
WhatsApp / WeChat: +86 19050562894
Business Email: Sales22@chinatruck.cc
Export Platform: Chinatruck.cc
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