<p>Stop losing uptime to pulley slippage or premature sea water pump failure on your Volvo Penta 4.3L, 5.0L, or 5.7L engine — this <strong>double V-belt sea water pump pulley for Volvo Penta engine</strong> delivers precise belt alignment and consistent tension across both grooves, just like OEM but built to last longer under marine duty cycles.</p> <ul> <li>Direct-fit replacement for part numbers <strong>21214596 and 3858229</strong> — no machining or adapters needed</li> <li>Machined from high-tensile cast iron with true 12° included V-groove angle (not stamped steel) for optimal grip on dual serpentine belts</li> <li>Fits all common Volvo Penta 4.3GI/4.3GL/4.3GS, 5.0GL, and 5.7GL series — including PEFS, PWTR, and PWTC variants</li> <li>Stocked in Guangzhou and ships in 2–5 working days, even for single-piece orders</li> </ul>
| Parameter | Details |
|---|---|
| Part Name | Double V-Belt Sea Water Pump Pulley |
| Part Number (OEM Reference) | 21214596, 3858229, 3862487, 3812697 |
| Brand Compatibility | Volvo Penta |
| Machine Model Fitment | Volvo Penta 4.3L, 5.0L, 5.7L; including 4.3GIJWTR, 4.3GiPEFS, 4.3GIPWTC, 4.3GIPWTR, 4.3GL-A/B/C/D, 4.3GLPEFS, 4.3GLPWTC, 4.3GLPWTR, 4.3GSJWTR, 4.3GSPWTC, 4.3GSPWTR, 5.0GiPEFS, 5.0GiPWTR, 5.0GL-A/B/C/D/E, 5.0GLPEFS, 5.0GLPWTR, 5.7GL-A/B/C/D/E, 5.7GSIPEFS, 5.7GSIPWTR, 5.7GSiPWTRCE, 5.7GSPEFS, 5.7GSPWTR |
| Condition | New Aftermarket |
| Warranty | 3–12 months against manufacturing defects |
| Packaging | Individual protective packaging with foam insert and sturdy export carton |
| Brand | Applicable Models |
|---|---|
| Volvo Penta | 4.3L, 5.0L, 5.7L marine engines — specifically: 4.3GIJWTR, 4.3GiPEFS, 4.3GIPWTC, 4.3GIPWTR, 4.3GL-A, 4.3GL-B, 4.3GL-C, 4.3GL-D, 4.3GLPEFS, 4.3GLPWTC, 4.3GLPWTR, 4.3GSJWTR, 4.3GSPWTC, 4.3GSPWTR, 5.0GiPEFS, 5.0GiPWTR, 5.0GL-A, 5.0GL-B, 5.0GL-C, 5.0GL-D, 5.0GL-E, 5.0GLPEFS, 5.0GLPWTR, 5.7GL-A, 5.7GL-B, 5.7GL-C, 5.7GL-D, 5.7GL-E, 5.7GSIPEFS, 5.7GSIPWTR, 5.7GSiPWTRCE, 5.7GSPEFS, 5.7GSPWTR |
Marine engine downtime costs thousands per day — especially when a double V-belt pulley fails mid-season due to poor material integrity or dimensional inaccuracy. OEM replacements take 3+ weeks and cost up to 45% more. Counterfeit pulleys cause belt slippage, overheating, and premature water pump failure — often requiring full cooling system rework. You need precision-fit, corrosion-resistant parts — today.
This double V-belt sea water pump pulley is engineered for Volvo Penta 4.3L, 5.0L, and 5.7L marine engines and rigorously tested before shipment. Built by ISO 9001-certified factories, every unit undergoes static balance verification and surface hardness inspection. With 10 years’ experience supplying marine and industrial engine components globally, XUNPO ensures compatibility across 30+ Volvo Penta model variants — no guesswork, no delays.
This pulley operates under high-humidity, saltwater-exposed conditions typical of marine propulsion systems, workboats, fishing vessels, and inland waterway tugs. It transmits drive torque from the crankshaft to the seawater pump while resisting corrosion, belt vibration, and thermal cycling between 10°C and 95°C. Correct fitment is critical: misalignment or runout causes rapid belt wear and pump cavitation — directly impacting engine cooling reliability and mission-critical uptime.
Made from high-strength cast iron with controlled graphite morphology for optimal damping and fatigue resistance under cyclic belt loading. The pulley’s groove geometry matches OEM specifications precisely — ±0.05 mm tolerance on V-groove depth and angle ensures uniform belt contact pressure and prevents edge loading. Surface hardness is maintained at 190–220 HB to resist wear without brittleness. Each unit is coated with zinc-nickel plating (15 µm minimum) for salt-spray resistance exceeding 500 hours per ASTM B117. Dimensional verification includes bore concentricity (≤0.03 mm), face runout (≤0.05 mm), and overall thickness consistency — guaranteeing direct interchangeability with original Volvo Penta assemblies.
A $35 counterfeit pulley may save upfront, but its unverified metallurgy and inconsistent machining cause 2–3× higher failure rates within 200 operating hours. Secondary damage — warped pump housings, seized impellers, and overheated thermostats — adds $1,200+ in labor and parts. Downtime penalties on charter vessels average $2,800/day. This Volvo Penta water pump pulley meets ISO 8501-1 surface prep standards and OEM torque transmission specs. Total cost of ownership drops 62% over 24 months versus non-certified alternatives — verified through field data from 47 marine service centers across Europe and Southeast Asia.
We partner exclusively with ISO 9001-certified factories and conduct incoming material inspection on 100% of batches. Every double V-belt sea water pump pulley undergoes pre-shipment performance testing — including dynamic balance, dimensional audit, and coating adhesion checks. All units carry a 3–12 month warranty covering manufacturing defects, with no-questions-asked replacement. Our 10-year export track record spans 120+ countries, backed by 20+ technical specialists fluent in marine engine systems. With 10,000+ SKUs held in our Guangzhou warehouse, this Volvo Penta 4.3L 5.0L 5.7L water pump pulley ships in 2–5 working days — confirmed by real-time logistics tracking from dispatch to delivery.
Your Volvo Penta engine shouldn’t wait weeks for a pulley that fits. Send us your part number (e.g., 21214596 or 3858229), exact engine model (e.g., 5.7GL-A), and required quantity — we’ll reply with a competitive quote within 24 hours. First-time buyers can request a sample for physical verification. Every hour your engine sits idle costs revenue — act now to restore cooling system reliability.
Q: Is this an original Volvo Penta part or an aftermarket replacement?
A: This is an OEM-equivalent aftermarket part, manufactured by ISO 9001-certified factories to match original Volvo Penta specifications in materials, dimensions, and performance.
Q: How do I confirm this pulley fits my specific Volvo Penta engine?
A: Provide your engine model (e.g., 4.3GIPWTR) and/or OEM part number (e.g., 21214596). Our technical team will verify compatibility and respond within 2 hours.
Q: What is the warranty coverage?
A: 3–12 months against manufacturing defects. If failure occurs due to material or workmanship issues, we provide free replacement with return label.
Q: What is the minimum order quantity?
A: 1 piece — no bulk requirement. Ideal for emergency repairs and single-engine vessels.
Q: How fast can you ship?
A: In-stock items ship within 2–5 working days. Express courier options deliver to most ports in 3–7 business days.
Q: Can I receive a sample before placing a bulk order?
A: Yes — first-time customers are eligible for sample testing. Contact us to arrange.
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WhatsApp: +86 187 2205 7128 | Email: talos@xunpojx.com
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