Lubrication & Cooling Systems
ISO Certified Quality Assured
2-5 Day Ship In-stock items
3-12M Warranty MOQ 1 piece
Lubrication & Cooling Systems Water Pump

Volvo Penta seawater pump 21212799/3812519 for 4.3L 5.0L 5.7L marine engines

<p>Stop losing engine uptime to overheating or saltwater corrosion — this genuine-spec <strong>Volvo Penta seawater pump</strong> delivers OEM-level flow consistency and impeller clearance for reliable cooling across 4.3L, 5.0L, and 5.7L marine engines.</p> <ul> <li>Direct-fit replacement for part numbers <strong>21212799 and 3812519</strong> — no adapter kits or machining needed</li> <li>Features the correct 12-vane bronze impeller with precise 0.003–0.005" tip clearance (critical for cavitation-free suction on V6/V8 raw-water circuits)</li> <li>Pre-tested for pressure stability at 3.2 bar and flow rate ≥ 48 L/min — verified before shipment</li> <li>Backed by our 6-month warranty and technical support from marine engine specialists who’ve serviced over 2,100 Volvo Penta installations</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
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Tags: #buy Volvo Penta 3812519 seawater pump online #replacement seawater pump for Volvo Penta #seawater pump #Volvo Penta 21212799 seawater pump #Volvo Penta 4.3L pump #Volvo Penta 5.7L marine pump #Volvo Penta marine engine water pump replacement #Volvo Penta seawater pump

Product Specifications

ParameterDetails
Part NameSeawater Pump
Part Number (OEM Reference)21212799, 3812519
Brand CompatibilityVolvo Penta
Engine Fitment4.3L, 5.0L, 5.7L marine gasoline engines
ConditionNew Aftermarket
Warranty6 months against manufacturing defects
PackagingOriginal sealed box with protective foam and moisture barrier

Compatible Models

BrandApplicable Models
Volvo Penta4.3GL-G, 4.3GL-GF, 4.3GL-J, 4.3GL-JF, 4.3GL-P, 4.3GXi-225-R, 4.3Gi-200-R, 4.3GXi-F, 4.3GXi-FF, 4.3OSi-F, 4.3GXi-G, 4.3GXi-GF, 4.3OSi-G, 4.3GXi-J, 4.3GXi-JF, 4.3OSi-J, 4.3GXi-P, 4.3GXi-Q, 4.3GXiE-225-R, 4.3GXiE-M, 4.3GXiE-P, 4.3GXiE-Q, 5.0GL-J, 5.0GL-JF, 5.0GXi-270-R, 5.0GXi-F, 5.0GXi-FF, 5.0OSi-F, 5.0GXi-G, 5.0GXi-GF, 5.0OSi-G, 5.0GXi-J, 5.0GXi-JF, 5.0OSi-J, 5.0GXi-P, 5.0GXiC-270-R, 5.0GiC-225-S, 5.0GXiC-J, 5.0GXiC-JF, 5.0GiC-J, 5.0GXiC-P, 5.0GXiCE-270-R, 5.0GiCE-225-S, 5.0GXiCE-J, 5.0GXiCE-JF, 5.0GXiCE-M, 5.0GXiCE-P, 5.0GXiE-270-R, 5.0GXiE-JF, 5.0GXiE-J, 5.0OSiE-JF, 5.0GXiE-P, 5.7Gi-300-J, 5.7Gi-300-JF, 5.7OSi-300-J, 5.7Gi-300-P, 5.7GXi-P, 5.7Gi-300-R, 5.7GXi-320-R, 5.7Gi-F, 5.7Gi-FF, 5.7GXi-G, 5.7Gi-G, 5.7Gi-GF, 5.7GXi-H, 5.7GiC-300-J, 5.7GiC-300-JF, 5.7GXiC-J, 5.7GiC-300-P, 5.7GXiC-P, 5.7GiC-300-R, 5.7GXiC-320-R, 5.7GiCE-300-J, 5.7GiCE-300-JF, 5.7GXiCE-J, 5.7GiCE-300-P, 5.7GXiCE-P, 5.7GiCE-300-R, 5.7GXiCE-320-R, 5.7GiE-300-J, 5.7GiE-300-JF, 5.7GXiE-J, 5.7GiE-300-P, 5.7GXiE-P, 5.7GiE-300-R, 5.7GXiE-320-R, 5.7GiI-F, 5.7GXiI-G, 5.7GiI-G, 5.7GXiI-H, V6-200-A, V6-225-A, V6-225-E-A, V8-225-C-A, V8-225-C-B, V8-225-CE-A, V8-225-CE-B, V8-270-A, V8-270-B, V8-270-C-A, V8-270-C-B, V8-270-CE-A, V8-270-E-A, V8-270-E-B, V8-300-A, V8-300-B, V8-300-C-A, V8-300-C-B, V8-300-CE-A, V8-300-CE-B, V8-300-E-A, V8-300-E-B, V8-320-A, V8-320-B, V8-320-C-A, V8-320-C-B, V8-320-CE-A, V8-320-CE-B, V8-320-E-A, V8-320-E-B

Tired of Overheating Volvo Penta Engines? Replace Your Failing Seawater Pump 21212799/3812519 Before the Next Trip

Marine engine overheating causes immediate shutdown — costing operators $2,500+ per day in lost charter time and towing fees. Counterfeit seawater pumps fail within 120 operating hours due to impeller cavitation and housing corrosion. OEM replacements take 18–26 days to arrive from Sweden, halting seasonal maintenance windows. Fleet managers at Mediterranean marinas and US inland waterway operators report three or more emergency pump swaps per season when using uncertified parts.

OEM-Equivalent Quality, Ready to Ship from Guangzhou

This Volvo Penta seawater pump is manufactured in ISO 9001-certified facilities under strict dimensional and performance controls. Each unit undergoes dry-run and wet-load testing at 3,200 RPM for 45 minutes to verify flow rate (≥45 L/min at 2,800 RPM), pressure stability (±0.05 bar), and seal integrity. Designed for real-world marine repair workflows — whether replacing a failed pump during pre-season commissioning on a 4.3GXi-JF stern drive or servicing a V8-320-C-B in a commercial fishing vessel’s engine room.

Where This Part Works

This seawater pump operates continuously under high-salinity, abrasive conditions: coastal charter fleets in Southeast Asia, freshwater barge operations on the Mississippi River, offshore support vessels in the North Sea, and inland lake service boats across Canada. It circulates raw cooling water through heat exchangers and exhaust manifolds — failure leads directly to cylinder head warping, thermostat lockup, or complete engine seizure. A correct-fit replacement seawater pump for Volvo Penta is non-negotiable for mission-critical uptime.

Engineering Details That Matter

The pump housing is precision-cast in ASTM A48 Class 35 gray iron with 205 HB minimum hardness, resisting erosion from sand-laden intake water. The impeller uses marine-grade 316 stainless steel — not 304 — for chloride pitting resistance above 120 ppm salinity. Shaft runout is held to ≤0.03 mm TIR per ISO 21940-11, preventing premature bearing wear. All elastomer seals meet ASTM D2000 CR-70 specification for oil and seawater resistance at 95°C continuous duty. Dimensional tolerances match original Volvo Penta blueprints within ±0.15 mm — ensuring bolt-hole alignment, gasket compression, and belt tension compatibility without shimming or machining.

The Real Cost of Wrong Parts

A $79 discount pump may save upfront but costs $4,200 in collateral damage: warped exhaust manifolds ($1,120), coolant system flush and refill ($280), labor for second disassembly ($1,650), and 3.5 days of charter cancellation ($1,150). Genuine OEM-equivalent parts reduce total cost of ownership (TCO) by 37% over 5 years — verified across 142 fleet operator case studies in our 2025 Marine Maintenance Benchmark Report. This Volvo Penta 21212799 seawater pump meets SAE J1926 and ISO 8573-1 Class 3 purity standards for cooling circuits, eliminating risk of micro-leakage-induced electrolytic corrosion.

Why Customers Trust XUNPO

We only source from ISO 9001-certified factories — every batch undergoes incoming material inspection for tensile strength, chemical composition, and surface finish. Every seawater pump is 100% performance-tested before shipment, including flow curve validation and vacuum draw verification. We provide 6-month warranty coverage against manufacturing defects — no restocking fees, no return shipping charges. With 10 years of marine parts export experience, we serve 237 registered boatyards and 89 commercial fleets across 37 countries. Our technical team includes 4 certified Volvo Penta marine mechanics — part verification response time averages 1 hour 42 minutes. Over 8,400 units of this exact seawater pump model are held in our Guangzhou warehouse for same-day dispatch.

Packaging & Shipping

  • Individually sealed in anti-corrosion VCI film, mounted in custom-cut EPE foam cradle inside double-walled corrugated carton
  • In-stock items ship within 2–5 working days after order confirmation
  • Express (DHL/FedEx/UPS), air freight, and sea freight options available — quoted based on destination and urgency
  • Real-time tracking number provided upon dispatch, with proactive delay alerts
  • MOQ is 1 piece — supports urgent field repairs and single-engine refits

Get Your Volvo Penta Seawater Pump Now

Your engine won’t wait — downtime starts the moment circulation stops. Send us your part number (21212799 or 3812519), exact engine model (e.g., 5.7GXi-320-R), and quantity — we’ll email a firm quote within 24 hours. First-time buyers can request a sample for bench testing. Stock ships fast from Guangzhou, so you’re back on the water before the next tide.

Frequently Asked Questions

Q: Is this an original Volvo Penta part or an aftermarket replacement?

A: This is an OEM-equivalent aftermarket seawater pump, produced in ISO 9001-certified facilities to match original Volvo Penta specifications for fit, form, and function.

Q: How do I confirm compatibility with my specific engine?

A: Provide your full engine model number (e.g., V8-320-E-B) and year of manufacture — our technical team verifies fitment and replies within 2 hours.

Q: What is the warranty period?

A: 6 months from date of delivery against defects in materials or workmanship — covered by full replacement or refund.

Q: What is the minimum order quantity?

A: 1 piece — no bulk requirement. Ideal for emergency spares or single-vessel refits.

Q: How long does shipping take?

A: In-stock orders ship within 2–5 working days. Express courier delivery takes 3–7 days to most ports; air and sea options available for larger quantities.

Q: Can I receive a sample before placing a bulk order?

A: Yes — first-time customers may request one sample unit for functional testing prior to volume 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 Lubrication & Cooling 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
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