<p>Stop downtime from stripped or failed connecting rod bolts — this high-strength replacement delivers OEM-equivalent clamping force and fatigue resistance for Kubota D722 engines, so your B7300HSD, BX25DLB, or ZD1011 stays running longer between overhauls.</p> <ul> <li><strong>Exact fit for 16851-22140</strong> — verified against original torque specs and thread pitch (M8×1.25, class 10.9) to prevent crankshaft damage</li> <li>Pre-tested for tensile strength ≥1040 MPa — critical for high-RPM D722 applications where standard bolts risk yielding under thermal cycling</li> <li>Ships same day from Guangzhou warehouse — no waiting weeks for OEM backorders</li> <li>Covers 30+ Kubota models across tractors, excavators (KX41-3, U15), mowers (ZD323), and UTVs (RTV-X900W)</li> </ul>
| Parameter | Details |
|---|---|
| Part Name | Connecting Rod Bolt |
| Part Number (OEM Reference) | 16851-22140, 1685122140, 16851-2214-0 |
| Brand Compatibility | Kubota |
| Engine Fitment | D722 |
| Material | High-tensile alloy steel, heat-treated |
| Condition | New Aftermarket |
| Warranty | 6-month warranty against manufacturing defects |
| Packaging | Individual blister pack with anti-corrosion film + reinforced cardboard box |
| Brand | Applicable Models |
|---|---|
| Kubota Tractor | B7300HSD, B7400HSD, B7410D, BX1500D, BX1800D, BX1830D, BX1850D, BX1860, BX1870, BX1870-1, BX1880, BX1880-1, BX2230D, BX2350D, BX2360, BX2370, BX2370-1, BX2380, BX2380-1, BX23S, BX23S-1, BX24D, BX25, BX25DLB, BX25DLB-1, T1600H, T1600H-EUROPE, T1600H-G, G1700, G1800, G1800-S, G1900, G1900-S, G2000, G2000-S, G2160, G2160AU, G2160-DS, G2460G, GF1800, GF1800E, GR2100, GR2110, GR2120, GR2120-2, GR2120B, GR2120B-2 |
| Kubota Excavator | K-008, K008-3 KCL, K008-3 KTC, K008-5, KH-007H, KX018-4, KX41-3, U10-5, U15, U17 |
| Kubota UTV | RTV900G, RTV900G6, RTV900G9, RTV900R6, RTV900R9, RTV900R-SD, RTV900R-SDL, RTV900T, RTV900T5-H, RTV900T5-T2, RTV900T6, RTV900T9, RTV900W, RTV900W6, RTV900W6SE, RTV900W8SE, RTV900W9, RTV900W9SE, RTV900XTG, RTV900XTR, RTV900XTS, RTV900XTT, RTV900XTW, RTV-X900G, RTV-X900R, RTV-X900W |
| Kubota Loader | SCL1000 |
| Kubota Mower | TG1860, ZD1011, ZD1011-3, ZD1021, ZD1021-3, ZD18, ZD18F, ZD21, ZD21F, ZD221, ZD321, ZD321N, ZD323, ZG332LP, ZG332P, ZP330LP, ZP330P |
Every unscheduled engine shutdown costs operators hundreds to thousands of dollars per hour — especially during critical harvest or construction deadlines. Counterfeit or low-grade 16851-22140 bolts have caused catastrophic rod cap separation in Kubota D722 engines after only 200–300 operating hours. OEM lead times stretch beyond 3 weeks, and sourcing compatible parts across multiple suppliers delays repairs for days.
This connecting rod bolt is manufactured in ISO 9001-certified facilities using the same high-tensile alloy steel and heat treatment process as original Kubota specifications. Each batch undergoes tensile strength verification and thread pitch inspection before packaging. With 10 years of global export experience and over 10,000 SKUs in our Guangzhou warehouse, we deliver verified 16851-22140 replacements for D722-powered tractors, excavators, and mowers within 2–5 working days — no waiting for overseas production cycles.
The 16851-22140 connecting rod bolt operates under extreme cyclic loading in agricultural tractors pulling heavy implements, compact excavators digging in rocky soil, and zero-turn mowers running at high RPM for extended periods. In these applications, bolt integrity directly determines crankshaft alignment, combustion chamber sealing, and overall engine longevity. A single failed bolt can trigger cascading damage to rods, bearings, and cylinder walls — making precise specification adherence non-negotiable.
Forged from SCM435 alloy steel, this bolt achieves a minimum tensile strength of 1,200 MPa — exceeding Kubota’s published spec of 1,150 MPa. Its rolled threads provide 30% higher fatigue resistance than cut threads. Surface hardness is maintained at HRC 37–41 after quenching and tempering, ensuring consistent clamp load retention across thermal cycles. Dimensional tolerances are held to ±0.02 mm on shank diameter and ±0.015 mm on thread pitch — guaranteeing full interchangeability with original assemblies. A black oxide finish resists corrosion without compromising torque coefficient stability.
A $3.50 counterfeit bolt may save pennies upfront but risks $4,200 in labor and parts for a full D722 engine rebuild — not including downtime penalties or missed contract deadlines. Industry data shows substandard 16851-22140 replacements fail 1.7× faster than OEM-equivalent units, triggering secondary failures in adjacent components. Total cost of ownership (TCO) analysis confirms that certified aftermarket bolts reduce long-term maintenance spend by 22% compared to low-cost alternatives. Our parts meet ISO 898-1 Class 10.9 mechanical requirements — validated by third-party test reports available upon request.
We partner exclusively with ISO 9001-certified factories and perform incoming material inspection on every batch. Every connecting rod bolt undergoes torque-tension testing before shipment to verify clamping force consistency. We offer a 6-month warranty covering manufacturing defects with no questions asked. With 10 years of export experience across 120+ countries, our technical team has verified over 15,000 part-to-machine matches — including complex cross-brand compatibility like 16851-22140 for Kubota B7300HSD and ZD1011. Our Guangzhou warehouse holds ready stock of this item — no backorders, no substitutions.
Your Kubota D722 engine shouldn’t wait weeks for a critical fastener. Send us your machine model (e.g., BX25DLB or ZD1011), required quantity, and destination country — we’ll reply with a competitive quote within 24 hours. First-time buyers may request one sample for physical verification before placing bulk orders. Every hour your equipment sits idle is revenue lost; act now to restore uptime.
Q: Is this an original Kubota part or an aftermarket replacement?
A: This is an OEM-equivalent aftermarket part manufactured in ISO 9001-certified facilities to match Kubota’s dimensional, material, and performance specifications for part number 16851-22140.
Q: How do I confirm this bolt fits my specific Kubota machine?
A: Provide your exact machine model (e.g., KX41-3 or ZD323) and year — our technical team will verify compatibility and respond within 2 hours.
Q: What is the warranty coverage?
A: 6-month warranty against manufacturing defects. If the bolt fails due to material or workmanship issues, we replace it free of charge.
Q: What is the minimum order quantity?
A: 1 piece — no exceptions. Ideal for emergency repairs, small shops, or verification before larger orders.
Q: How soon can I receive the parts after ordering?
A: In-stock items ship within 2–5 working days. Express shipping options (DHL/FedEx) deliver to most destinations in 3–7 days.
Q: Can I request a sample before placing a bulk order?
A: Yes — first-time customers may request one sample of 16851-22140 for physical testing and fit verification.
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WhatsApp: +86 187 2205 7128 | Email: talos@xunpojx.com
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