5581-375X12 by FlexFab | Series 5581 | 4-ply Coolant Hose | 3.75" x 4.14" OD | Blue | 12ft Length

5581-375X12 by FlexFab | Series 5581 | 4-ply Coolant Hose | 3.75" x 4.14" OD | Blue | 12ft Length

Sale price$464.34
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WARNING: This product may take 5-7 weeks to ship.

Package Quantity: 12 units

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Silicone Coolant Hose

Series 5581 & 5501 4-Ply Coolant Hose

Silicone coolant hose with 4 plies of polyester reinforcement — Series 5581 has a blue cover and Series 5501 a green cover.

1

What is this hose used for?
  • Heavy-duty pressure connections in hostile engine environments
  • Extreme temperature and varied pressure ranges where high performance is required
  • Resists hardening, cracking, cold leaks, aging and many chemicals
2

What are the key specifications?
Construction

Silicone hose with 4 plies of polyester reinforcement

Cover

Blue (Series 5581) or Green (Series 5501)

Standards

Meets or exceeds SAE J20 R1 Class A and TMC RP303B Class I Grade II

Temperature Range

-65°F (-54°C) to +350°F (+177°C)

Wall Thickness

Standard wall, .170" / .220"

Working Pressure

1/3 of the burst pressure

3

Which sizes are available?
5581 Blue — 3 ft 5581 Blue — 12 ft 5501 Green — 3 ft 5501 Green — 12 ft Inside Diameter Outside Diameter Actual Burst Pressure Burst Pressure — SAE J20 R1 Burst Pressure — TMC Weight Lined Worm Gear Clamp Constant Tension Clamp
5581-038 5581-038X12 — — 0.38" 0.77" 600 PSI 425 PSI 125 PSI 0.16 lbs/ft FLX2582-0006 —
5581-050 5581-050X12 5501-050 5501-050X12 0.50" 0.89" 600 PSI 425 PSI 125 PSI 0.20 lbs/ft FLX2582-0008 —
5581-062 5581-062X12 5501-062 5501-062X12 0.63" 1.02" 585 PSI 425 PSI 125 PSI 0.24 lbs/ft FLX2582-0010 —
5581-075 5581-075X12 5501-075 5501-075X12 0.75" 1.14" 575 PSI 325 PSI 125 PSI 0.29 lbs/ft FLX2582-0012 —
5581-087 5581-087X12 5501-087 5501-087X12 0.88" 1.27" 560 PSI 300 PSI 125 PSI 0.34 lbs/ft FLX2582-0016 —
5581-100 5581-100X12 5501-100 5501-100X12 1.00" 1.39" 550 PSI 300 PSI 125 PSI 0.39 lbs/ft FLX2582-0016 FLX2584-0175
5581-112 5581-112X12 5501-112 — 1.13" 1.52" 525 PSI 300 PSI 125 PSI 0.44 lbs/ft FLX2582-0020 FLX2584-0175
5581-125 5581-125X12 5501-125 5501-125X12 1.25" 1.64" 500 PSI 275 PSI 125 PSI 0.49 lbs/ft FLX2582-0020 FLX2584-0212
5581-138 5581-138X12 5501-138 — 1.38" 1.77" 475 PSI 250 PSI 125 PSI 0.54 lbs/ft FLX2582-0024 FLX2584-0212
5581-150 5581-150X12 5501-150 5501-150X12 1.50" 1.89" 450 PSI 250 PSI 125 PSI 0.59 lbs/ft FLX2582-0024 FLX2584-0212
5581-162 5581-162X12 5501-162 — 1.63" 2.02" 425 PSI 225 PSI 125 PSI 0.63 lbs/ft FLX2582-0028 FLX2584-0262
5581-175 5581-175X12 5501-175 5501-175X12 1.75" 2.14" 400 PSI 225 PSI 125 PSI 0.68 lbs/ft FLX2582-0028 FLX2584-0262
5581-187 5581-187X12 5501-187 — 1.88" 2.27" 400 PSI 200 PSI 100 PSI 0.73 lbs/ft FLX2582-0032 FLX2584-0262
5581-200 5581-200X12 5501-200 5501-200X12 2.00" 2.39" 400 PSI 200 PSI 100 PSI 0.78 lbs/ft FLX2582-0032 FLX2584-0262
5581-212 5581-212X12 5501-212 — 2.13" 2.52" 375 PSI 175 PSI 100 PSI 0.83 lbs/ft FLX2582-0036 FLX2584-0312
5581-225 5581-225X12 5501-225 5501-225X12 2.25" 2.64" 350 PSI 175 PSI 100 PSI 0.88 lbs/ft FLX2582-0036 FLX2584-0312
5581-238 5581-238X12 5501-238 — 2.38" 2.77" 325 PSI 150 PSI 100 PSI 0.93 lbs/ft FLX2582-0040 FLX2584-0312
5581-250 5581-250X12 5501-250 5501-250X12 2.50" 2.89" 300 PSI 150 PSI 100 PSI 0.98 lbs/ft FLX2582-0040 FLX2584-0312
5581-262 5581-262X12 5501-262 — 2.63" 3.02" 285 PSI 125 PSI 100 PSI 1.02 lbs/ft FLX2582-0044 FLX2584-0362
5581-275 5581-275X12 5501-275 5501-275X12 2.75" 3.14" 275 PSI 125 PSI 100 PSI 1.07 lbs/ft FLX2582-0044 FLX2584-0362
5581-287 5581-287X12 5501-287 — 2.88" 3.27" 250 PSI 100 PSI 100 PSI 1.12 lbs/ft FLX2582-0048 FLX2584-0362
5581-300 5581-300X12 5501-300 5501-300X12 3.00" 3.39" 250 PSI 100 PSI 100 PSI 1.17 lbs/ft FLX2582-0048 FLX2584-0362
5581-312 5581-312X12 — — 3.13" 3.52" 225 PSI 75 PSI 100 PSI 1.22 lbs/ft FLX2582-0052 FLX2584-0412
5581-325 5581-325X12 5501-325 — 3.25" 3.64" 225 PSI 75 PSI 100 PSI 1.27 lbs/ft FLX2582-0052 FLX2584-0412
5581-338 5581-338X12 — — 3.38" 3.77" 200 PSI 75 PSI 100 PSI 1.32 lbs/ft FLX2582-0056 FLX2584-0412
5581-350 5581-350X12 5501-350 5501-350X12 3.50" 3.89" 200 PSI 75 PSI 100 PSI 1.37 lbs/ft FLX2582-0056 FLX2584-0412
5581-375 5581-375X12 5501-375 — 3.75" 4.14" 175 PSI 50 PSI 100 PSI 1.46 lbs/ft FLX2582-0060 FLX2584-0462
5581-400 5581-400X12 5501-400 5501-400X12 4.00" 4.39" 150 PSI 50 PSI 100 PSI 1.56 lbs/ft FLX2582-0064 FLX2584-0462
5581-450 5581-450X12 5501-450 — 4.50" 4.89" 150 PSI — — 1.76 lbs/ft FLX2582-0072 FLX2584-0512
5581-500 5581-500X12 5501-500 — 5.00" 5.39" 125 PSI — — 1.95 lbs/ft — FLX2584-0562
5581-550 5581-550X12 5501-550 — 5.50" 5.89" 100 PSI — — 2.16 lbs/ft — FLX2584-0612
5581-600 — — — 6.00" 6.39" 100 PSI — — 2.34 lbs/ft — FLX2584-0662
i
Specifications for reference only. Specific test data available on request.

How is this product sold?

Sold in 3 ft lengths. 12 ft lengths are also available — their part numbers end in X12.

Additional Product Data:

Series:
  • 5581 Series
Color(s):
  • Blue
Internal Diameter:
  • 3.75in

Flexfab

Flexfab produces a massive array of highly-engineered products in a wide variety of materials and designs for the aerospace, automotive, rail, and heavy-duty truck industries. Our proprietary processes of compounding, calendaring, extruding, molding, and bonding silicone rubber, organic rubber, and reinforcing materials makes our products world-class.

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