Belt Drive Systems
Aftermarket Mitsuboshi REMF-1345 fan belt for excavator cooling systems
<p>Stop unexpected shutdowns and overheating during critical jobs — this <strong>aftermarket Mitsuboshi REMF-1345 fan belt</strong> delivers OEM-equivalent grip and heat resistance, so your excavator’s cooling system stays stable under load. Built to match the exact pitch length (1345 mm), top width (22 mm), and angle (40° V-belt profile) of genuine Mitsuboshi specs, it eliminates slippage and premature wear that plague generic belts.</p> <ul> <li><strong>Ships same day</strong> from our Guangzhou warehouse — no 2–4 week OEM waits</li> <li>Fits CAT 330/349, Komatsu PC360/PC460, Hitachi ZX350/470 & other Tier 3–4 machines with REMF-1345 cooling circuits</li> <li>Reinforced EPDM rubber compound resists oil, ozone, and thermal cracking — a must for high-hour fleet operations</li> <li>MOQ just 1 piece: test-fit before bulk orders, no minimum pressure</li> </ul>
Lead Time
2-5 Days
Warranty
3-12 Months
Min. Order
1 Piece
Ships To
120+ Countries
Request a Quote
Response within 24 hours
Product Details
Product Specifications
| Parameter | Details |
|---|---|
| Part Name | Fan Belt |
| Part Number (OEM Reference) | REMF-1345, REMF1345 |
| Brand Compatibility | Aftermarket replacement for Mitsuboshi |
| Machine Model Fitment | Excavators, Tractors, Mowers and other heavy equipment requiring REMF-1345 fan belt |
| Material | High-tensile synthetic rubber compound with polyester cord reinforcement |
| Condition | New Aftermarket |
| Warranty | 6-month warranty against manufacturing defects |
| Packaging | Individual polybag with branded label, packed in sturdy corrugated box |
Compatible Models
| Brand | Applicable Models |
|---|---|
| CAT | 320D, 320D2, 323D, 325D, 330D, 330D2 (with Mitsuboshi REMF-1345 cooling system) |
| Komatsu | PC200-7, PC200-8, PC210-8, PC220-7, PC220-8, PC240-8 (fitting original Mitsuboshi REMF-1345) |
| Hitachi | EX200-5, EX200-6, EX200-7, EX250-7, ZX200-5, ZX200-6 (where OEM specifies REMF-1345) |
| Volvo | EC300D, EC350D, EC460D (cooling fan drive systems using REMF-1345) |
| Hyundai | R210-9, R225-9, R250-9 (original-fit REMF-1345 applications) |
Tired of Overheating Excavators and Failed REMF-1345 Fan Belts?
Every unplanned shutdown due to a broken cooling fan belt costs operators $1,200–$2,800 per day in idle labor, fuel, and missed deadlines. Counterfeit REMF-1345 belts snap within 200 operating hours — less than half the lifespan of genuine-spec replacements. OEM-sourced Mitsuboshi REMF-1345 belts often require 3-week lead times and carry 42% price premiums over verified aftermarket alternatives.
OEM-Equivalent Quality, Ready to Ship from Guangzhou Warehouse
This aftermarket Mitsuboshi REMF-1345 fan belt is manufactured in ISO 9001-certified facilities and tested for tensile strength, heat resistance, and pulley grip before shipment. Designed specifically for excavator cooling systems under continuous load, it delivers stable engine temperature control during high-duty cycles — whether on urban excavation sites or remote quarry operations. With 10 years’ experience supplying CAT, Komatsu, and Hitachi fleets globally, XUNPO ensures every REMF-1345 replacement belt meets dimensional and performance specs of the original.
Where This Part Works
This REMF-1345 fan belt operates in demanding environments: construction job sites with dust and vibration, open-pit mines with extreme ambient temperatures, port terminals handling salt-laden air, and demolition zones with frequent shock loading. In these conditions, consistent airflow across the radiator is critical — a single belt failure causes rapid coolant temperature rise, triggering thermal derating or automatic shutdown. The genuine-fit REMF-1345 fan belt for heavy equipment cooling maintains rated RPM transfer even after 1,500+ hours of service.
Engineering Details That Matter
The belt uses a specially formulated EPDM rubber compound rated to 120°C continuous service temperature — essential for modern excavator cooling systems that run hotter under Tier 4 Final emissions controls. Its 4-rib V-belt profile matches OEM groove geometry precisely, eliminating slippage-induced squeal and premature wear. Polyester tensile cords resist stretch under cyclic tension, preserving belt tension for up to 2,000 operating hours. Dimensional tolerance is held to ±0.3 mm on length and ±0.15 mm on rib height — ensuring full contact with all pulley grooves without edge loading. Surface texture is optimized for dry-grip adhesion, reducing slippage risk during cold starts or sudden load changes.
The Real Cost of Wrong Parts
A $12 counterfeit REMF-1345 belt may save $8 upfront but triggers $3,100 in downtime costs when it fails mid-shift. Repeated overheating damages water pumps, thermostats, and cylinder head gaskets — adding $2,400+ in secondary repairs. OEM-specified cooling performance requires precise belt speed ratio; undersized or over-stretched belts reduce fan RPM by >8%, raising coolant temps by 14–18°C and accelerating engine wear. Total cost of ownership (TCO) favors certified aftermarket parts like this REMF-1345 replacement belt — delivering OEM-equivalent reliability at 58% lower acquisition cost, backed by documented test reports and real-world fleet validation.
Why Customers Trust XUNPO
Only ISO 9001-certified factories supply our fan belts — raw materials undergo batch-level tensile and elongation testing before production. Every REMF-1345 belt is subjected to dynamic load simulation and thermal cycling before packaging. We provide 6-month warranty covering manufacturing defects, with no-questions-asked replacement. Our 10-year export track record includes repeat orders from 72 countries — including major rental fleets in Germany, mining contractors in Chile, and municipal works departments in Vietnam. A dedicated technical team verifies part compatibility using OEM service manuals and real machine teardown data — responses delivered within 2 hours. Over 10,000 SKUs are held in stock at our Guangzhou warehouse, enabling dispatch of REMF-1345 fan belts within 2–5 working days.
Packaging & Shipping
- Individually sealed in anti-static polybag with printed part number and brand logo, then placed in rigid double-wall cardboard box with molded foam cradle
- In-stock REMF-1345 fan belts ship within 2–5 working days after order confirmation
- Flexible logistics: DHL/FedEx/UPS express (3–7 days), air freight (5–12 days), sea freight (25–40 days)
- Real-time tracking provided from Guangzhou warehouse to destination port or door
- MOQ is 1 piece — supports urgent field repairs and small workshop inventories
Get Your REMF-1345 Fan Belt Now
Your excavator’s cooling system shouldn’t wait. Send us your machine model, current belt condition, and required quantity — we’ll email a competitive quote within 24 hours. First-time buyers can request a sample for physical verification and fit testing. Every hour your machine sits idle costs money; order today and get genuine-fit REMF-1345 fan belt for excavator cooling shipped from Guangzhou within days.
Frequently Asked Questions
Q: Is this an original Mitsuboshi part or an aftermarket replacement?
A: This is an OEM-equivalent aftermarket REMF-1345 fan belt, produced in ISO 9001-certified factories to match Mitsuboshi’s dimensional, material, and performance specifications.
Q: How do I confirm this fits my specific excavator model?
A: Provide your machine brand, model number (e.g., PC220-8), and current belt part number — our technical team will verify compatibility using OEM service documentation and respond within 2 hours.
Q: What is the warranty period?
A: 6 months from date of delivery, covering defects in materials and workmanship. Replacement or refund issued upon return verification.
Q: What is the minimum order quantity?
A: 1 piece — no bulk requirement. Ideal for emergency repairs or inventory sampling.
Q: How long does shipping take?
A: In-stock REMF-1345 fan belts ship from Guangzhou within 2–5 working days. Express courier delivery takes 3–7 days depending on destination.
Q: Can I receive a sample before placing a bulk order?
A: Yes — first-time customers may request one sample unit for fit and function testing. Sample fee is refundable against first full order.
Ready to order or need a quote?
Send your part number, machine model, and quantity — we’ll respond within 24 hours.
WhatsApp: +86 13316055942 | Email: talos@xunpojx.com
Compatible Brands
Our parts are engineered to meet or exceed OEM specifications. Please provide your machine model number and serial number when inquiring to confirm exact compatibility.
How to Confirm Compatibility
-
1
Find Your Machine Model
Locate the model plate on your machine, typically near the cab or engine compartment.
-
2
Note the Part Number
Check your parts manual or existing part for the OEM part number.
-
3
Contact Our Team
Our technical team verifies compatibility within 2 hours. Send us the details via the inquiry form or WhatsApp.
Shipping Information
Express Shipping
DHL, FedEx, UPS -- 3-7 business days worldwide
Sea Freight
Cost-effective option for bulk orders -- 15-35 days
Real-Time Tracking
Tracking number provided after shipment. 24/7 support available.
Warranty Policy
All parts come with manufacturer warranty. Duration varies by product category.
- Manufacturing defects covered in full
- Free replacement or full refund for defective parts
- Post-delivery technical support included
- Sample testing available for first-time buyers
ISO Certified Quality
All parts sourced from ISO-certified factories with strict QC processes and material traceability.
Competitive Pricing
Save 30-50% vs OEM prices without compromising quality. Transparent pricing with no hidden fees.
Fast 2-5 Day Shipping
Large Guangzhou warehouse with 10,000+ SKUs in stock. Most orders ship within 2-5 business days.
10+ Years Experience
20+ professionals with deep technical knowledge serving 1,000+ clients across 120+ countries.
24/7 Technical Support
Dedicated support team available around the clock. Part verification within 2 hours of inquiry.
Global Reach
Flexible shipping solutions including express and sea freight to 120+ countries with real-time tracking.
Related Products
More parts you might need
Need a Custom Quote?
Our technical team responds within 24 hours. MOQ 1 piece. Ships to 120+ countries from our Guangzhou warehouse.