In Stock
SKU: 6590500' ROLL 3/8" GRAY NEPTUNE 4000 PSI
$1039.07
Neptune Bulk Pressure Washer Hose Rolls
Neptune bulk pressure washer hose — 3/8-inch bore, rated to 4,000 PSI — sold by the foot in full rolls. CheapPartz stocks three rolls: the 500-foot gray roll (SKU 6590) at $1,039.07, the 500-foot black roll (SKU 6713) at $960.11, and the 300-foot gray roll (SKU 3724, one piece per roll) at $620.62 (prices at the time these pages were consolidated; live prices are on the variant cards below).
All three are the same hose: same 3/8" bore, same 4,000 PSI rating, same Neptune build. The differences are length and color. Gray 6590 ships as a 500 ft roll; black 6713 is the 500 ft black equivalent; gray 3724 is a single 300 ft roll — one continuous piece. Color is identification only; buy on bore, pressure rating, and the footage you need.
Bulk means you terminate it yourself: order the footage you need for custom lengths, extensions, and repairs, cut to length, and fit your own barbs and couplers. Match the 3/8" bore to your barbs and the 4,000 PSI rating to your pump before you cut. If you'd rather skip the assembly, the finished Neptune hoses — the 300' black (SKU 6873) and 250' black (SKU 6872) — come ready to connect and are linked below.
Available Variants
In Stock
SKU: 6713ROLL 4000 PSI 3/8"x500' BLACK NEPTUNE
$960.11
In Stock
SKU: 3724300' ROLL 3/8" GRAY NEPTUNE 4000 PSI (1 PC./ROLL)
$620.62
Side-by-Side Comparison
| Spec | 500' ROLL 3/8" GRAY NEPTUNE 4000 PSI | ROLL 4000 PSI 3/8"x500' BLACK NEPTUNE | 300' ROLL 3/8" GRAY NEPTUNE 4000 PSI (1 PC./ROLL) |
|---|---|---|---|
| Roll length | 500 ft | 500 ft | 300 ft |
| Color | Gray | Black | Gray |
| Bore | 3/8" | 3/8" | 3/8" |
| Max pressure | 4,000 PSI | 4,000 PSI | 4,000 PSI |
| Supplied as | 500 ft roll | 500 ft roll | 300 ft roll, 1 pc./roll |
| Termination | Your own fittings | Your own fittings | Your own fittings |
Which Variant Should You Choose?
500' ROLL 3/8" GRAY NEPTUNE 4000 PSI
Choose the 500' gray roll when you want the longest run in gray — bulk hose for custom lengths, extensions, and repairs.
ROLL 4000 PSI 3/8"x500' BLACK NEPTUNE
Choose the 500' black roll for the same 500 ft of bulk hose in black — color is identification only.
300' ROLL 3/8" GRAY NEPTUNE 4000 PSI (1 PC./ROLL)
Choose the 300' gray roll when 300 feet is enough — it ships as one continuous piece per roll.
Fitment
Match the 3/8" bore to your barbs and the 4,000 PSI rating to your pump before cutting — bulk hose takes your own fittings. Measure your current setup's diameter, length, and fittings before ordering; mismatched ends mean a return.
Related but Separate
4000 PSI 3/8"x300' Black Neptune Hose (SKU 6873)
Finished 300 ft black Neptune hose rated to 4,000 PSI — ready to connect, no assembly.
4000 PSI 3/8"x250' Black Neptune Hose (SKU 6872)
Finished 250 ft black Neptune hose rated to 4,000 PSI — ready to connect.
Frequently Asked Questions
Does the hose color matter?
No — color is only for identification. Choose by bore, pressure rating, and length.
What's the difference between these bulk rolls and the finished Neptune hoses?
The rolls on this page are bulk hose: you cut to length and fit your own ends. SKUs 6873 (300') and 6872 (250') are finished black Neptune hoses that come ready to connect.
How much hose should I order?
Order the footage you need for custom lengths, extensions, and repairs — measure your current setup's diameter, length, and fittings first.