Lubrication & Cooling Systems
Sea Water Pump 21212799 3812519 Replacement for Volvo Penta 4.3L 5.0L 5.7L
ISO Certified Quality Assured
2-5 Day Ship Fast Dispatch
3-12 Mo. Warranty
Lubrication & Cooling Systems 21212799 3812519 For Volvo Penta

Sea Water Pump 21212799 3812519 Replacement for Volvo Penta 4.3L 5.0L 5.7L

Sea Water Pump 21212799 3812519, marine-grade aluminum housing, NBR impeller — replacement for Volvo Penta 4.3L, 5.0L, 5.7L engines.

  • Guangzhou warehouse keeps this pump in stock for same-day dispatch
  • MOQ 1 piece for emergency single-vessel repairs
  • Part ID confirmed from engine model or nameplate photo when the number is worn
  • Express, air and sea freight with arrival timing quoted upfront

Real-time stock confirmation and shipping window provided before you commit.

Key Highlights

  • Fits CAT, Komatsu, Hitachi, Volvo, Hyundai, Doosan, Kobelco, Sany, XCMG & more
  • Sourced from ISO-certified factories with strict QC inspection
  • MOQ = 1 piece · In-stock items ship in 2-5 working days
  • 3-12 month warranty · 24-hour quotation guarantee
Ships from Guangzhou
120+ countries served
MOQ: 1 piece
Quote in 24 hours

Stocked and Ready — Guangzhou warehouse holds this Sea Water Pump 21212799 3812519 for same-day dispatch, ending vessel downtime while other suppliers confirm lead times.

Technical Specifications

Parameter Value
Part Number 21212799 3812519
Product Type Water Pump
Cross-Reference 21212799, 3812519 (reference only)
Machine Fitment Volvo Penta 4.3L, 5.0L, 5.7L series (4.3GL-G, 5.0GXi, 5.7OSi, V6, V8 variants)
Part Name Sea Water Pump
Condition New Aftermarket
Warranty 3–12 months against manufacturing defects
Housing Material Marine-grade aluminum alloy (A380)
Impeller Material NBR rubber vanes bonded to stainless steel hub
Shaft Runout ≤0.05 mm per ISO 21940-11
Gasket Surface Flatness ±0.02 mm CNC-machined
Port Surface Finish ISO 1302 Ra 3.2 μm
Flow Rate 12.5 L/min at 3,200 rpm
Pressure 0.8 bar at full load
MOQ 1 piece
Standards ISO 9001, ISO 21940-11, ISO 1302

Application Suitability

Failure Symptom Replacement Urgency
Engine overheating at cruising RPM Immediate — vessel cannot operate without raw water cooling
Reduced water flow from exhaust High — indicates impeller degradation or housing corrosion
Visible weeping from pump shaft seal Urgent — seal failure precedes bearing damage
Unusual grinding noise from front of engine Critical — bearing failure risks shaft seizure
Scheduled impeller replacement interval Standard — inspect housing and shaft during service

What Arrives Before the Vessel Can Move Again

In-stock Sea Water Pump 21212799 3812519 ships same day when ordered before cutoff.

A vessel sitting idle at the dock burns contractual deadlines and crew costs while a replacement pump crosses an ocean. Most marine cooling failures occur without warning during peak operating season, when lead times stretch and local marine suppliers show empty shelves. Waiting weeks for a backordered component while the engine overheats on first restart turns a minor repair into a schedule-destroying event [NEED_CITE: marine vessel downtime cost factors in commercial operations]. We maintain Guangzhou warehouse inventory specifically for these high-failure marine cooling items, dispatching single units when a repair yard needs one pump for one downed engine rather than a full case.

Sea Water Pump 21212799 3812519 for Volvo Penta marine engines in stock

Availability Without the Wait

The Sea Water Pump 21212799 3812519 sits on the shelf, not in a catalog. When a workshop supervisor sends a photo of a corroded nameplate at night, our team cross-checks engine serial ranges against the fitment list and confirms stock status within hours. This pump covers Volvo Penta 4.3L, 5.0L, and 5.7L variants from GL through OSi series, eliminating the guesswork when the original tag is painted over or unreadable. One piece ships when one vessel needs saving, with no minimum order threshold blocking an emergency purchase.

Freight Options Quoted at Time of Order

Express courier, air freight, and sea freight each serve different urgencies. A repair yard facing a Tuesday launch deadline needs the pump on a next-flight-out service; a fleet operator restocking the spares locker accepts a slower, lower-cost transit. We quote arrival windows alongside the product confirmation, not after the order is placed and paid. Packaging suits the chosen method — reinforced for air express handling, palletized for sea consolidation — so the Sea Water Pump 21212799 3812519 arrives ready for the bench, not needing repackaging or damage claims [NEED_CITE: marine parts packaging standards for international air freight].

Reading the Engineering Without Overcomplicating It

Marine-grade A380 aluminum alloy resists the saltwater environment that destroys standard automotive housings within months. The NBR rubber impeller vanes flex past debris ingestion without snapping, while the stainless steel hub prevents the corrosion-welding that makes old impellers impossible to extract. Shaft runout held to 0.05 mm per ISO 21940-11 keeps the seal face square, extending service life before weeping begins. CNC-machined gasket surfaces at ±0.02 mm flatness eliminate the coolant leaks that force mechanics to re-pull the pump after first sea trial. Flow rate of 12.5 L/min at rated RPM maintains heat exchange capacity across the full operating range of these V6 and V8 blocks.

Sea water pump housing and impeller assembly detail

The Cost of Ordering the Wrong Unit

A pump ordered from a catalog listing that omits variant details arrives with ports clocked wrong or the wrong pulley alignment. The vessel stays down while the corect unit crosses an ocean, and the return shipment adds customs complexity and delay. Some mechanics force-fit a close-match pump, accepting misalignment that destroys the front seal within operating hours. This Sea Water Pump 21212799 3812519 verification process catches these mismatches before dispatch, using engine model and serial range to confirm the exact variant needed [NEED_CITE: marine engine cooling system variant identification challenges].

Why Source From This Warehouse

Own production lines and qualified partner manufacturing operate under unified quality control and a single warranty account. Eight product categories mean associated cooling system components — thermostats, hoses, zinc anodes, gasket sets — consolidate into one shipment from Guangzhou stock. Part identification works from a part number, a machine model, or a photograph of a faded plate, whichever the buyer holds. Cross-reference verification catches superseded numbers and alternate references before the wrong unit ships. Sample units are available for fitment confirmation before a fleet commits to bulk stocking. Technical staff confirm compatibility and grade rather than taking orders blindly.

Documentation & Verification

  • Commercial invoice and packing list with pump variant details and engine compatibility noted
  • Cross-reference sheet listing 21212799 and 3812519 as identification references only
  • Dimensional inspection record covering shaft runout, port spacing, and gasket surface flatness
  • Warranty terms specifying coverage period and manufacturing defect conditions
  • Dispatch photographs showing pump packaging condition before handover to freight forwarder
  • HS code and customs documentation prepared for marine parts import clearance

Stock, Shipping & Arrival

  • Sea Water Pump 21212799 3812519 inventory status confirmed in real time before order placement
  • Express courier transit quoted with door-to-port arrival window at time of order
  • Air freight and sea freight options presented with realistic transit estimates, not promises
  • Packaging rated for chosen transport method, preventing transit damage to machined surfaces
  • Tracking provided through to delivery confirmation at repair yard or vessel dock

Inquiry Guidance

Provide the engine model designation from the vessel registry or a photograph of the existing pump and nameplate. Our team confirms which Volvo Penta variant the engine represents and verifies the Sea Water Pump 21212799 3812519 matches the specific serial range. Stock availability and dispatch timing are confirmed in the same response, along with freight options suited to the operational urgency.

Frequently Asked Questions

Q: Is this pump in stock and when can it ship? A: The Sea Water Pump 21212799 3812519 is held in Guangzhou warehouse inventory for immediate dispatch. Orders confirmed before the daily cutoff ship same day via the buyer's chosen freight method. Stock status is verified in real time when the inquiry arrives, ensuring the quoted availability reflects the actual shelf position rather than a catalog listing.

Q: What is the minimum order quantity? A: One piece. A single vessel needing one pump receives the same service priority as a fleet restocking multiple units. There is no minimum threshold blocking an emergency repair or forcing a workshop to buy inventory they will not use. This MOQ policy applies across the marine cooling product range.

Q: How fast can it arrive at my port or yard? A: Transit depends on destination and chosen method. Express courier delivers within days to major ports; air freight suits international shipments where next-day is unnecessary but next-week is too slow. Arrival timing is quoted at order placement based on current carrier schedules, not estimated from generic tables.

Q: My nameplate is worn — how do I confirm the right part? A: Send a photograph of the existing pump, the engine block casting numbers, or any readable plate fragments. The technical team cross-references the Volvo Penta engine serial range against the fitment list covering 4.3L, 5.0L, and 5.7L variants. Confirmation arrives within hours, preventing the wrong unit from shipping.

Q: What happens if the part arrives and doesn't fit? A: Compatibility is verified before dispatch using the engine model and serial information provided. In the rare event of a fitment issue, the warranty covers manufacturing defects and the support team addresses the discrepancy immediately. This verification-first approach minimizes the occurrence of arrival-side surprises.

Compatible Brands & Models

CAT
Komatsu
Hitachi
Volvo
Hyundai
Doosan
Kobelco
Sany
XCMG
Liebherr
JCB
Case

Not sure if this part fits your machine? Send us your machine model number and serial number via WhatsApp or email -- our specialists will verify compatibility within 2 hours.

Shipping Information

  • In-Stock Items: Dispatched within 2-5 working days from Guangzhou warehouse
  • Shipping Methods: DHL, FedEx, UPS, sea freight, air freight -- flexible options for all destinations
  • Coverage: Ships to 120+ countries worldwide with real-time tracking
  • MOQ: 1 piece -- no minimum order requirement

Warranty & Quality

  • Warranty: 3 to 12 months depending on part type
  • QC: Strict quality inspection at ISO-certified partner factories
  • Samples: First-time buyers can request samples before bulk orders
  • Support: 24/7 post-delivery technical assistance via WhatsApp & email
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