Wholesale High Quality Booster Pump Auto Parts Oem 854-05109 Brake Booster For Isuzu 4hf1
$459.99
Brake vacuum booster for Isuzu 4HF1 forklifts, OEM 854-05109-compatible. Heavy-gauge steel housing, single-diaphragm, progressive assist. Direct fit for 5-10T HELI, Hangcha, Lonking Isuzu-powered models. 12-month warranty at Kingstream.
Brake Vacuum Booster for Isuzu 4HF1 — OEM 854-05109 Compatible
This brake vacuum booster is a direct OEM-compatible replacement for the Isuzu 4HF1 diesel engine platform used in industrial forklifts and construction equipment, matching OEM part number 854-05109 specifications. Designed for 5-10 ton internal combustion forklifts equipped with vacuum-assisted hydraulic drum brake systems, this booster amplifies mechanical pedal force using engine intake manifold vacuum to deliver consistent, fatigue-free braking performance during extended shift operations in demanding industrial environments.
The booster features a heavy-gauge stamped steel housing with corrosion-resistant electrocoat finish and a reinforced single-diaphragm design that provides approximately 4-6 times pedal force multiplication. The internal reaction disc is calibrated for progressive brake feel — light initial effort for gentle low-speed deceleration, with proportionally increased assist as pedal force rises during heavy-load or emergency braking. The one-way check valve on the vacuum port maintains vacuum reserve for power-assisted stops even after engine shutdown. Mounting studs, push rod length, and vacuum line fitting match Isuzu OEM dimensions for direct bolt-on installation.
Application includes Isuzu 4HF1-powered forklifts in the 5-10 ton class, including select HELI, Hangcha, Lonking, and other domestic models using the Isuzu 4HF1 engine platform with vacuum brake systems. Verify the firewall mounting stud pattern and push rod length before installation. Replace the vacuum hose and check valve during booster replacement. For compatible Isuzu engine parts and complete brake overhaul kits, visit our Forklift Brake Parts section.
Technical Specifications
- SKU: BOOSTER-4HF1-854
- OEM Reference: 854-05109 Compatible
- Engine: Isuzu 4HF1 Diesel
- Capacity: 5-10 Ton Forklift
- Housing: Steel, Electrocoat Finish
- Includes: Booster, Check Valve, Gasket
Compatible Equipment
| Engine / Brand | Application |
|---|---|
| Isuzu 4HF1 | 5-10T Forklifts, Industrial Equipment |
| HELI | Isuzu-powered K50-K100 Series |
| Hangcha / Lonking | Isuzu 4HF1 Equipped Models |
Each booster is vacuum-tested and pressure-checked before packaging. Ships with check valve installed. 12-month warranty. Contact our team.
Full Category Coverage
One supplier for all forklift systems — engine, hydraulic, electrical, mast, brake, undercarriage. No need to juggle multiple vendors.
No Minimum Order
Trial orders welcome. Single-piece to bulk supply. You test first, scale later. We treat every order seriously.
Three Quality Choices
Original, OEM, or Aftermarket. You decide based on budget and application. We don't upsell — you control cost and performance.
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You talk to the sourcing decision maker. No sales reps, no forwarding. Faster answers, clearer quotes, real accountability.
Mixed Order Consolidation
Combine different parts in one shipment. Save on freight. We handle the picking, packing, and export documentation.
After-Sale Warranty
Manufacturing defects covered. Free replacement or credit arranged quickly. Your trust is worth more than any single transaction.
Same part, different brand numbers. This cross-reference table helps you confirm compatibility across multiple forklift brands. If your brand or part number is not listed, send it to us — we will match it.
| Brand | OEM Part Number | Notes |
|---|---|---|
| TOYOTA | 47201-23300 | Original |
| KOMATSU | 3EB-30-41200 | Original |
| HELI | 24022-83011 | Original |
| HANGCHA | R240-83011 | Original / OEM |
| LINDE | 0009830123 | OEM |
| HYSTER | H47201-233 | OEM |
| TCM | TCM-47201 | OEM |
| AFTERMARKET | AM-47201 | Cost-effective replacement |
Follow these four steps to get the fastest and most accurate quotation. The more details you provide, the quicker we can confirm compatibility and pricing.
Send Your Part Number or Forklift Information
Provide the OEM part number, a clear photo of the old part, or the forklift brand and model. Any one of these works. We'll use it to cross-match the correct part.
Tell Us Your Quality Preference and Quantity
Choose Original, OEM, or Aftermarket quality. Let us know how many pieces you need — a single trial unit or a bulk order. We'll quote accordingly.
Provide Your Destination and Shipping Preference
Tell us the destination country and preferred shipping method (sea freight, air freight, or express courier). This helps us calculate delivery time and cost accurately.
Combine Related Parts (Optional)
If you need other forklift parts, include them in the same inquiry. We support mixed order consolidation — less freight cost, less paperwork.
Request Forklift Parts Quotation
📦 Part Number
If you already have the OEM number or reference number, quotation and matching will usually be much faster.
🚜 Forklift Model or Serial
If the exact part number is not available, forklift model details can help narrow the correct product range.
📸 Product Photos
Clear old-part photos, labels or packaging images are useful when buyers need help confirming the correct part.
🌍 Quantity & Destination
Quantity, country and shipping terms help improve quotation structure for EXW, FOB or CIF comparison.
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