Belt Drive Systems
ISO Certified Quality Assured
2-5 Day Ship In-stock items
3-12M Warranty MOQ 1 piece

Aftermarket Mitsuboshi REMF-1345 fan belt for excavator cooling systems

<p>Stop downtime from cracked, stretched, or slipping fan belts — this <strong>Aftermarket Mitsuboshi REMF-1345 fan belt</strong> delivers OEM-equivalent grip and heat resistance for excavator cooling systems, so your machine stays online longer between services.</p> <ul> <li>Exact 1345 mm effective length with 13 mm top width — matches original Mitsuboshi dimensional tolerances critical for proper tension and pulley engagement</li> <li>Replaces REMF-1345 and REMF1345 across CAT, Komatsu, Volvo, and Hyundai excavators — no guesswork on fitment</li> <li>Manufactured in ISO-certified facilities using EPDM rubber compound for superior oil & ozone resistance (a must for high-temp hydraulic-compartment environments)</li> <li>Ships same-day from our Guangzhou warehouse — no waiting weeks for OEM backorders</li> </ul>

MOQ

1 Piece

Lead Time

2-5 Business Days

Shipping

120+ Countries

Warranty

3-12 Months

Compatible Brands

CAT Komatsu Hitachi Volvo Hyundai Doosan Kobelco SANY XCMG

Product Specifications

ParameterDetails
Part NameAftermarket Fan Belt for Excavator Cooling Systems
Part Number (OEM Reference)REMF-1345, REMF1345
Brand CompatibilityUniversal fit for machines originally equipped with Mitsuboshi REMF-1345 belt
MaterialHigh-tensile synthetic rubber compound with polyester cord reinforcement
ConditionNew Aftermarket
Warranty6-month warranty against manufacturing defects
PackagingIndividual polybag + corrugated cardboard box

Compatible Models

BrandApplicable Models
CAT320D, 320D2, 323D, 325D, 330D, 330D2
KomatsuPC200-7, PC200-8, PC210-8, PC220-7, PC220-8, PC240-8
VolvoEC300D, EC350D, EC460D, EC480D
HyundaiR210W-9A, R220W-9A, R250W-9A, R290W-9A
DoosanDX225LC-5, DX255LC-5, DX300LC-5, DX340LC-5
SanySY215C, SY235C, SY265C, SY365H
XCMGXE215C, XE235C, XE265C, XE370CA
Tractors & MowersJohn Deere 7000/8000 Series, Case IH Axial-Flow Combines, New Holland CR Series

Tired of Overheating Excavators and Failed REMF-1345 Fan Belts?

Every hour your excavator sits idle due to a broken or slipping fan belt costs hundreds — sometimes thousands — in lost productivity. Counterfeit belts stretch within days, causing coolant temperature spikes and unplanned shutdowns. OEM replacements take weeks to arrive, while local suppliers often can’t verify compatibility across CAT, Komatsu, or Sany models.

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 dimensional accuracy before shipment. Designed specifically for heavy-duty cooling systems on hydraulic excavators and high-horsepower tractors, it delivers consistent tension retention under continuous load cycles — critical during extended digging or grading operations.

Where This Part Works

This REMF-1345 belt operates reliably in extreme conditions: construction sites with ambient temperatures up to 50°C, quarry environments with abrasive dust exposure, port terminals requiring uninterrupted material handling, and demolition projects where engine cooling must remain stable during repeated high-RPM operation. It directly drives the radiator fan in excavator cooling systems — failure leads to rapid overheating, reduced hydraulic efficiency, and potential engine damage. tractor mower fan belt applications demand equal reliability under variable RPM and vibration loads.

Engineering Details That Matter

The belt uses a high-modulus polyester tensile cord, delivering 30% higher elongation resistance than standard EPDM belts — essential for maintaining proper tension after thermal cycling. Its synthetic rubber compound contains anti-ozone and heat-resistant additives, validated to withstand continuous operation at 110°C without cracking. Dimensional tolerance is held to ±0.3 mm across length and width, ensuring precise fit on original pulley grooves without slippage. Surface texture is optimized for grip on cast-iron and aluminum pulleys, reducing wear on both belt and drive components over time.

The Real Cost of Wrong Parts

A $12 counterfeit belt may save upfront cost — but causes premature failure within 150 operating hours, leading to engine overheating, cylinder head gasket damage, and 8+ hours of labor for replacement and system flush. Industry data shows improper fan belts increase total cooling system repair costs by 220% over 12 months. This REMF-1345 belt meets ISO 4184 and SAE J1459 specifications, matching OEM torque transmission and service life. When calculating total cost of ownership (TCO), durability, uptime, and compatibility matter far more than unit price.

Why Customers Trust XUNPO

— We source exclusively from ISO 9001-certified factories and perform incoming material inspection on every batch.
— Every REMF-1345 belt undergoes pre-shipment performance testing: static tension, dynamic flex cycle (50,000+ cycles), and temperature stress validation.
— 6-month warranty covers manufacturing defects — no questions asked, full replacement or refund.
— 10 years exporting to 120+ countries; verified repeat orders from distributors in USA, Germany, UAE, Brazil, and Australia.
— Our 20+ technical specialists include certified hydraulic and engine technicians — part verification response within 2 hours.
— 10,000+ SKUs stocked in our Guangzhou warehouse; this REMF-1345 belt ships in 2–5 working days.

Packaging & Shipping

  • Individually sealed in moisture-resistant polybag, cushioned with EPE foam, packed in reinforced corrugated box
  • In-stock items ship within 2–5 working days after order confirmation
  • Flexible logistics: DHL/FedEx/UPS express (3–7 days), air freight (7–12 days), sea freight (25–40 days)
  • Real-time tracking number provided upon dispatch
  • MOQ: 1 piece — supports urgent field repairs and small fleet maintenance

Get Your REMF-1345 Fan Belt Now

Your excavator shouldn’t wait weeks for a single belt. Send us the part number REMF-1345, your machine model (e.g., CAT 320D), and required quantity — we’ll email a competitive quote within 24 hours. First-time buyers may request a sample for physical verification. Stock is available now; every day delayed is another day of downtime.

Frequently Asked Questions

Q: Is this an original Mitsuboshi part or a replacement?

A: This is an OEM-equivalent aftermarket fan belt, manufactured in ISO 9001-certified facilities to match Mitsuboshi REMF-1345 specifications for dimensions, material composition, and performance.

Q: How do I confirm if this fits my excavator or tractor?

A: Provide your machine brand, model, and year — or the OEM part number REMF-1345 — and our technical team will verify compatibility within 2 hours.

Q: What is the warranty period?

A: 6-month warranty against manufacturing defects. If failure occurs due to material or workmanship, we replace free of charge.

Q: What is the minimum order quantity?

A: 1 piece — no bulk requirement. Ideal for emergency repairs or testing.

Q: How long does shipping take?

A: In-stock REMF-1345 belts ship 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 for physical evaluation and fit-check prior to bulk purchase.

Ready to order or need a quote?
Send your part number, machine model, and quantity — we'll respond within 24 hours.
WhatsApp: +86 187 2205 7128 | Email: talos@xunpojx.com

Part Type Belt Drive Systems
MOQ 1 Piece
Lead Time 2-5 Business Days (in-stock)
Packaging Export Standard Packaging
Quality ISO Certified Factory
Warranty 3-12 Months
Origin Guangzhou, China
Compatibility CAT, Komatsu, Hitachi, Volvo, Hyundai, Doosan, Kobelco, SANY, XCMG

Shipping Policy

  • In-stock items dispatched in 2-5 business days
  • Multiple freight options: Express, Air, Sea
  • Real-time tracking provided
  • Ships to 120+ countries worldwide
  • Export-standard packaging for all items

Warranty & Quality

  • 3-12 month warranty on all parts
  • ISO-certified factory partners
  • Strict QC inspection before dispatch
  • Zero counterfeit policy -- guaranteed
  • Optional sample testing for new buyers
More Products

RELATED PARTS

Belt Drive Systems

Narrow V-Belt 0117-9565 for Deutz 1011 2011 – Engine Grade

<p><strong>0117-9565 Narrow V-Belt, 10x1125 mm</strong> — replacement for Deutz 1011 and 2011 series engines, compatible with BF4M2011, F3L2011, F4L2011 and related models. </p> <ul> <li>Drives water pump and alternator; inspect pulleys, tensioners and accessory bearings during rebuild to prevent early re-failure </li> <li>High-tensile polyester cords with heat-resistant rubber, rated -30°C to 80°C </li> <li>Engine serial variants exist within the 1011/2011 family — confirm exact serial to avoid mismatched belt length or profile </li> <li>Overhaul kit contents verified item by item against your engine build record</li> </ul>

View Details
Belt Drive Systems

Belt 486586 Replacement for Scag SVRII-61V Engine Grade

<p><strong>Belt 486586 Replacement for Scag SVRII-61V</strong> — EPDM compound, polyester tensile cord, ±0.3 mm dimensional tolerance. Fits nine SVRII-61V variants including 25FX, 26CV-EFI, 29CV-EFI, and 31FX models.</p> <ul> <li>Engine drive belt for commercial mower deck systems — matched to original pulley grooves and tensioner arms for correct power transmission</li> <li>Inspect tensioner arm wear, pulley groove condition, and adjacent belt path components before installation to address root cause of prior failure</li> <li>Cross-reference 754-05078, 954-05078, 574845603, and other listed alternates to confirm correct match for your specific variant</li> </ul> <p><strong>Overhaul kit contents verified item-by-item against your engine build before dispatch.</strong></p>

View Details
Belt Drive Systems

Water Pump Belt 78-1492 for Thermo King Refrigeration Units – Direct Fit Replacement

<p>Stop refrigeration unit downtime before it starts — this <strong>Thermo King water pump belt</strong> delivers OEM-equivalent reliability and precise fit for critical cooling systems across your Thermo King fleet. Engineered for consistent tension retention under thermal cycling, it eliminates the premature slippage and squealing that plague generic belts in high-heat, high-vibration applications like TS-200 and T-600 units.</p> <ul> <li>Fits 30+ Thermo King models including TK370, T-800R Spectrum, MD-II TLE, and TriPac APU — no guesswork on cross-references</li> <li>Backed by our 3–12 month warranty against manufacturing defects — because belt failure shouldn’t mean a $2,000 compressor inspection</li> <li>Uses EPDM+aramid cord construction — the same material spec used in genuine Thermo King service kits for heat resistance up to 140°C</li> <li>Ships same day from Guangzhou warehouse — no waiting weeks for OEM lead times or risking counterfeit imports</li> </ul>

View Details
Belt Drive Systems

Alternator Belt 78-1918 / 78-1543 for Thermo King TriPac APU Replacement

<p>Stop unexpected APU shutdowns and costly roadside downtime with a direct-fit <strong>Thermo King alternator belt</strong> that delivers OEM-equivalent performance — without the OEM wait or markup. Engineered for consistent tension retention and heat resistance, this belt eliminates slippage and premature failure common in high-cycle TriPac APU applications.</p> <ul> <li>Fits TriPac APU units requiring part numbers <strong>78-1918 or 78-1543</strong> — verified cross-reference, not just visual match</li> <li>Made with aramid-reinforced EPDM compound for >12,000-hour service life under continuous 24/7 operation</li> <li>Ships same-day from our Guangzhou warehouse — no backorders, no factory delays</li> <li>Each belt includes batch-tested tensile strength certification (≥1,850 N) — critical for TriPac’s high-RPM alternator pulley setup</li> </ul>

View Details
Get a Quote

INTERESTED IN
THIS PART?

Send us your inquiry and our technical team will verify the part and provide a competitive quote within 24 hours. MOQ starts from 1 piece.

2h Part Verification
24h Full Quote

Send Your Inquiry

Fill in the form and we'll get back to you within 24 hours.

Response within 24 hours · No commitment required