Block & Internal Parts

Connecting Rod Bearing Kit for Kubota D1803 Engine – OEM Replacement

<p>Stop downtime from worn connecting rod bearings — this <strong>Kubota D1803 connecting rod bearing kit</strong> delivers OEM-equivalent fit, load capacity, and oil clearance right out of the box. Engineered to restore precise crankshaft alignment and prevent premature rod failure, it’s built for the high-cycle demands of excavators like the KX033-4 and tractors like the L3240DT that run 10+ hours daily.</p> <ul> <li>Includes both upper and lower shells with correct eccentricity (0.025mm step) — critical for proper D1803MDI journal loading</li> <li>Fits all D1803 variants: D1803, D1803-CR, and D1803MDI — no guesswork on engine suffixes</li> <li>Verified against Kubota’s original 17311-22310 / 17311-22312 spec — not generic “D1803-style” bearings</li> <li>Ships same-day from Guangzhou warehouse — no waiting weeks for OEM backorders</li> </ul>

Lead Time

2-5 Days

Warranty

3-12 Months

Min. Order

1 Piece

Ships To

120+ Countries

17311-22310 17311-22312 bearing kit connecting rod bearing kit D1803 engine bearing Kubota bearing kit for KX033-4 Kubota D1803 connecting rod bearing Kubota D1803MDI rod bearing set Kubota excavator connecting rod bearing replacement Kubota L3240DT engine rod bearing kit

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Product Details

Especificaciones del producto

Parámetro

Detalles

Nombre de la pieza

Número de pieza (Referencia OEM)

Compatibilidad de Marca

Ajuste del motor

Condición

Nuevo Aftermarket

Garantía

Garantía estándar de 6 meses contra defectos de fabricación

Embalaje

Connecting Rod Bearing Kit
17311-22310, 17311-22312, 1731122310, 1731122312
Kubota, Hyundai
Kubota D1803, D1803MDI, D1803-CR
Original sealed box with anti-rust oil and protective foam

Modelos Compatibles

Marca

Modelos aplicables

Excavadora Kubota

Generador Kubota

Kubota Tractor

KX033-4, KX040-4, KX121-2, KX121-3, KX121-3S, KX121-3ST, KX161-2, KX161-3, KX161-3S, KX161-3ST, KX91-3, KX91-3S, KX91-3S2, U35, U35-4, U35S, U35-S2, U45S, U45ST, U48-5
GV-1125Q-60-KTC, GV-3250Q-60-SW, KJ-S130D-USA, KJ-S130DX-USA, KJ-S150V-USA, KJ-S150VX-USA, KJ-T210V-USA, KJ-T210VX-USA, KJ-T270F-SW-USA, KJ-T270FX-SW-USA, SQ-1140-USA, SQ-1200-USA, SQ-3170-USA, SQ-3250-USA-SW
Kubota Wheel Loader R420, R420S, R430, R510, R510B, R520, R520S
L2250DT, L2250F, L2500DT, L2500F, L2501D, L2501F, L2501H, L2550DT, L2550DT-GST, L2550F, L2600DT, L2600F, L2650DT, L2650DT-GST, L2650DT-WET, L2650F, L2800DT/HST, L2800F, L2850DT, L2850DT-GST, L2850F, L2900DT, L2900DT-GST, L2900F, L2950DT, L2950DT-GST, L2950DT-WET, L2950F, L3000DT, L3000F, L3010DT/GST/HST, L3010F, L3130DT/GST/HST, L3130F, L3200DT, L3200F, L3200H, L3240DT, L3240DT/GST, L3240DT-3, L3240F, L3240F-3, L3240GST, L3240GST-3, L3240HST, L3240HST-3, L3240HSTC, L3240HSTC-3, L3250DT, L3250F, L3300DT, L3300DT-GST, L3300F, L3301DT, L3301F, L3301H, L3302, L3302H, L3400DT/HST, L3400F, L3410DT/GST/HST, L3430DT/GST/HST(C), L3450DT, L3450DT-GST, L3450DT-WET, L3450F, L35, L3540GST, L3540GST-3, L3540HST, L3540HST-3, L3540HSTC, L3540HSTC-3, L3560DT, L3560GST, L3560HST, L3560HSTC, L3560HSTC-LIMITED, L3560HST-LIMITED, L3600DT, L3600DT-C, L3600DT-GST, L3600DT-GST-C, L3650DT, L3650DT-GST, L3650DT-WET, L3650F, L3700SU, L3710DT/GST/HST, L3710DT-HST-C, L3800DT, L3800F, L3800H, L3830DT/GST/HST, L3830F, L39, L3901DT, L3901F, L3901H, L3902, L3902H, L3940DT, L3940DT/GST/HST, L3940DT-3, L3940GST, L3940GST-3, L3940HST, L3940HST-3, L3940HSTC, L3940HSTC-3, L4060DT, L4060GST, L4060HST, L4060HSTC, L4060HSTC-LIMITED, L4060HST-LIMITED, L4200DT, L4200DT-C, L4200DT-GST, L4200DT-GST-C, L4200F, L4200F-C, L4200F-GST, L4240DT, L4240DT/GST/HST, L4240DT-3, L4240GST, L4240GST-3, L4240HST, L4240HST-3, L4240HSTC, L4240HSTC-3, L4300DT, L4300F, L4310DT/GST/HST, L4310DT-GST-C/HST-C, L4310F, L4330DT/GST/HST(C), L4350DT, L4400DT, L4400F, L4400H, L45, L4600DT, L4600F, L4600H, L4610DT-GST, L4610DT-HST, L4610DT-HST-C, L4630DT/GST(C)/HST, L47, L4701DT, L4701F, L4701H, L4740GST, L4740GST/HST, L4740GST-3, L4740HST, L4740HST-3, L4740HSTC, L4740HSTC-3, L4760GST, L4760HST, L4760HSTC, L48, L4802DT, L4802DTM, L4802F, L4802H, L4850DT, L5030GST/HST(C), L5040GST, L5040GST-3, L5060GST, L5240HST, L5240HST-3, L5240HSTC, L5240HSTC-3, L5450DT, L5460HST, L5460HSTC, L5740HST, L5740HST-3, L5740HSTC, L5740HSTC-3, L6060HST, L6060HSTC, M4030, M4030DT, M4030SU, M4030SU-TF, M4700, M4700DT, M4800SUD-F, M4800SU-F, M4900, M4900-CAB, M4900DT, M4900DT-CAB, M4900SU, M4900SUDT, M5030, M5030DT, M5030SU, M5030SUMDT, M5140DT, M5140DTC, M5140F, M5140FC, M5140HD, M5140HDC, M5400, M5400DT, M5400DT-N, M5640SU, M5640SUD, M5640SUD-1, M5660SUH, M5660SUHD, M5700, M5700-CAB, M5700DT, M5700DT-CAB, M5700DTN, M5700HD, M5700HDC, M59, M62, MX4700DT, MX4700F, MX4700H, MX4800DT, MX4800F, MX4800H, MX5000DT, MX5000F, MX5000SU, MX5100DT, MX5100F, MX5100H, MX5200DT, MX5200F, MX5200H, MX5400DT, MX5400DTC, MX5400F, MX5400H, MX5400HSTC, MX5800H, MX6000H, MX6000HSTC
Hyundai Forklift HDF15-5, HDF18-5
Hyundai Loader HSL650-7

Tired of Engine Knocking and Premature Failure in Your Kubota D1803 Excavator?

Every unplanned engine shutdown on a KX033-4 or L3240DT tractor costs hundreds to thousands in lost productivity — especially when caused by substandard connecting rod bearings. Counterfeit or poorly heat-treated bearing sets fail within weeks, leading to catastrophic crankshaft damage. OEM replacements take 3–4 weeks and cost up to 45% more. And sourcing the right 17311-22310 / 17311-22312 bearing kit across multiple brands like Kubota and Hyundai is time-consuming and error-prone.

Calidad equivalente a OEM, lista para enviar desde el almacén de Guangzhou

This Kubota D1803 connecting rod bearing kit is manufactured in ISO 9001-certified facilities and undergoes full dimensional verification and load-cycle testing before shipment. Designed for heavy-duty excavation cycles, generator standby duty, and loader bucket loading, it delivers consistent performance under high RPM and thermal stress. With 10 years of global export experience and over 10,000 SKUs in stock, XUNPO supplies verified replacement parts for real-world repairs — not just catalog numbers.

Dónde funciona esta pieza

This connecting rod bearing kit operates reliably in construction sites with daily dig-and-load cycles, quarry environments with abrasive dust exposure, port material handling operations running 16+ hours per day, and demolition contractors requiring maximum uptime. In these conditions, precise oil clearance and fatigue resistance are critical — undersized or soft bearings cause rapid wear, while oversized ones restrict lubrication flow and raise operating temperature. The Kubota D1803MDI rod bearing set is engineered specifically for these continuous-duty applications.

Detalles de ingeniería que importan

Each bearing shell uses forged steel backing with tri-metal overlay (copper-lead-tin alloy) for superior embeddability and conformability under shock loads. Hardness is precisely controlled at 22–26 HRC after final heat treatment to balance fatigue life and surface durability. Radial clearance is held to ±0.005 mm tolerance to match OEM specifications and ensure stable hydrodynamic film formation. Surface finish is Ra ≤ 0.4 µm to minimize initial wear-in period and reduce friction loss. Anti-corrosion coating prevents oxidation during storage and transport — critical for long-haul shipments to Africa, South America, or Southeast Asia.

El verdadero costo de las piezas incorrectas

A $25 counterfeit bearing may seem economical — until it fails after 120 operating hours, causing $2,800 in crankshaft replacement labor, $1,500 in downtime penalties, and $900 in tow fees. OEM-equivalent parts like this Kubota bearing kit meet ISO 2738 and SAE J300 standards for bearing materials and dimensional control. Total cost of ownership drops significantly when you factor in extended service intervals, reduced inspection frequency, and avoidance of secondary damage. Our 6-month warranty covers manufacturing defects — no fine print, no exclusions.

Por qué los clientes confían en XUNPO

We source exclusively from ISO 9001-certified factories and perform incoming material inspection on every batch. Each Kubota D1803 connecting rod bearing kit undergoes 100% pre-shipment performance validation using calibrated load testers and micrometers. We offer 3–12 month warranty coverage for manufacturing defects with no-questions-asked replacement. With 10 years’ experience exporting to 120+ countries, our team has verified over 12,000 part-to-machine matches. Our 20+ technical specialists respond to part compatibility inquiries within 2 hours. Over 10,000 SKUs are held in ready-to-ship condition at our Guangzhou warehouse — including this 17311-22310 17311-22312 bearing kit.

Packaging & Shipping

  • Individually sealed in anti-rust oiled packaging with custom-cut EPE foam inside reinforced corrugated cartons
  • In-stock items ship within 2–5 working days from Guangzhou
  • Flexible logistics: Express (DHL/FedEx/UPS), air freight, or sea freight — all with tracking
  • Real-time shipment tracking provided via email and WhatsApp upon dispatch
  • Minimum order quantity: 1 set — ideal for urgent field repairs

Get Your Connecting Rod Bearing Kit Now

Your excavator or tractor shouldn’t sit idle waiting for parts. Send us your machine model (e.g., KX033-4 or L3240DT), required quantity, and destination — we’ll reply with a competitive quote within 24 hours. First-time customers can request a sample for physical verification before placing bulk orders. Every hour of downtime costs money; act now to resume operation.

Preguntas Frecuentes

P: ¿Es esta una pieza original de Kubota o un reemplazo de posventa?

A: This is an OEM-equivalent aftermarket connecting rod bearing kit, produced in ISO 9001-certified factories to match original Kubota specifications for dimensions, material composition, and load capacity.

Q: How do I confirm if this fits my specific machine?

A: Provide your exact machine model (e.g., KX121-3 or L3540HST) and engine number — our technical team will verify compatibility and reply within 2 hours.

P: ¿Cuál es su política de garantía?

A: We offer a 6-month warranty covering manufacturing defects. If failure occurs due to material or workmanship issues, we replace the part at no cost.

P: ¿Cuál es la cantidad mínima de pedido?

A: MOQ is 1 set — designed for emergency maintenance and small repair shops.

Q: How fast can I receive the parts?

A: In-stock items ship within 2–5 working days from Guangzhou. Express delivery options available for urgent needs.

Q: Can I receive a sample before ordering in bulk?

A: Yes — first-time customers are eligible for sample testing upon request.

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

Compatible Brands

CAT KOMATSU HITACHI VOLVO HYUNDAI DOOSAN KOBELCO SANY XCMG

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. 1

    Find Your Machine Model

    Locate the model plate on your machine, typically near the cab or engine compartment.

  2. 2

    Note the Part Number

    Check your parts manual or existing part for the OEM part number.

  3. 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

3-12
Months Warranty

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.

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Need a Custom Quote?

Our technical team responds within 24 hours. MOQ 1 piece. Ships to 120+ countries from our Guangzhou warehouse.

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