Jabsco Par-Max HD Heavy-Duty Freshwater Pump — 12V, 6.0 GPM, Cast Aluminum Housing (P601J-218-S3A)
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Jabsco Par-Max HD Heavy-Duty Freshwater Pump — 12V, 6.0 GPM
The highest-output pump in the Jabsco Par-Max lineup. The Par-Max HD P601J-218-S3A delivers 6.0 GPM at 12V with a heavy-duty motor and cast aluminum lower housing — built for the largest onboard freshwater systems where multiple fixtures run simultaneously and consistent high pressure is non-negotiable. The co-molded diaphragm, integrated bypass module, and sealed pressure switch deliver smooth, on-demand operation, and the Quick Connect Strainer is included. Self-priming, run-dry safe, and quiet thanks to vibration-dampening mounting feet.
Key Features
- 6.0 GPM flow rate at 12V DC — the highest output in the Jabsco Par-Max lineup
- Heavy-duty motor and cast aluminum lower housing — built for long life at high pressures and continuous multi-fixture demand
- Integrated bypass module — reduces pump cycling and provides smoother flow
- Quick Connect Strainer included — protects pump from supply line debris
- Co-molded diaphragm technology for long service life and durability
- Integrated, sealed pressure switch for automatic on-demand operation
- Quick-connect ports for fast installation, servicing, and maintenance
- Vibration-dampening mounting feet for quiet operation
- Self-priming — flexible installation without manual priming
- Run-dry capable — no damage if the tank runs empty
Compatible Applications
- Large multi-fixture freshwater systems on cruisers, liveaboards, and large powerboats
- Four or more simultaneous fixtures requiring maximum flow and consistent high pressure
- High-demand freshwater systems where no other Par-Max model provides sufficient output
- 12V DC installations requiring the heaviest-duty cast aluminum pump construction available
Parts Desk Insights
The Par-Max HD 6 GPM is the top of the entire Jabsco Par-Max range — the right choice for large cruisers, liveaboards, and any installation where four or more fixtures may run simultaneously and maximum flow is the priority. If 6 GPM is more than your system needs, the Par-Max HD 5 GPM (P501J-115-S3A) and Par-Max HD 5 GPM (P501J-118-S3A) are the step-down options in the HD series, followed by the Par-Max HD 4 GPM and Par-Max HD 3 GPM. For smaller boats where the HD series is overkill, the standard Jabsco Par-Max 3 GPM is the top of the lighter-duty lineup. On a high-output system like this, pairing with a GROCO PST-1 Accumulator Tank is strongly recommended to smooth pressure delivery and protect the pump from short-cycling.
Part Number: P601J-218-S3A | Voltage: 12V DC | Flow Rate: 6.0 GPM | Housing: Cast Aluminum | Includes: Bypass Module & Quick Connect Strainer
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 1-3 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.