Skip to content
Login for the best B2B Wholesale Experience.
Login for the best B2B Wholesale Experience.
5581-250 FlexFab Series 5581 4-ply Coolant Hose - 2.50" ID - 2.89" OD - Blue - 3ft

5581-250 by FlexFab | Series 5581 | 4-ply Coolant Hose | 2.50" ID | 2.89" OD | Blue | 3ft Length

Save $7.78 Save $7.78
$77.83
$77.83 - $77.83
$77.83
$70.05
$70.05 - $70.05
$70.05

Flexfab Industrial Hose - Series 5581 & 5501 - 4-ply Coolant Hose

Package Quantity: 3 FT

Specifications for Variant SKU: 5581-250 Flexfab
Series: Series 5581
Hose Color(s): Blue
Internal Diameter: 2.50in
Outer Diameter: 2.89in
Tubing Construction: Silicone
Cover Construction: Silicone
Applicable Specs & Approvals: SAE J20 R1 Class A, TMC RP303B Class I Grade II
Overview:
  • Available in a Blue or Green Cover
  • Comes in 3' Lengths
  • 12' Lengths Also Available
Construction:
  • Silicone hose with 4-plies of Polyester Reinforcement
Specifications:
  • Meets or exceeds the operating requirements of SAE J20 R1 Class A
  • Meets or exceeds the operating requirements of TMC RP303B Class I Grade II
  • Temperature range is -65°F (-54°C) to +350°F (+177°C)
  • Standard Wall Thickness is .170"/.220"
  • Working pressure is 1/3 of the burst pressure
Applications:
  • For heavy duty pressure connections in hostile engine environments
  • Resists hardening, cracking, cold leaks, aging, and many chemicals
  • Ideal for extreme temperature and various pressure ranges where high performance levels are required
Blue Series Part Number (3ft & 12ft) Green Series Part Number (3ft & 12ft) Inside Diameter Outside Diameter Actual Burst Pressure Burst Pressure Weight Clamp
SAE J20 R1 TMC
5581-038 & 5581-038X12 5501-038 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 & N/A 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 & N/A 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 & N/A 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 & N/A 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 & N/A 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 & N/A 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 & N/A 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 & N/A 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 5501-312 & N/A 3.13" 3.52" 225 PSI 75 PSI 100 PSI 1.22 lbs./ft FLX2582-0052 FLX2584-0412
5581-325 & 5581-325X12 5501-325 & N/A 3.25" 3.64" 225 PSI 75 PSI 100 PSI 1.27 lbs./ft FLX2582-0052 FLX2584-0412
5581-338 & 5581-338X12 5501-338 & N/A 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 & N/A 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 & N/A 4.50" 4.89" 150 PSI N/A N/A 1.76 lbs./ft FLX2582-0072 FLX2584-0512
5581-500 & 5581-500X12 5501-500 & N/A 5.00" 5.39" 125 PSI N/A N/A 1.95 lbs./ft FLX2584-0562
5581-550 & 5581-550X12 5501-550 & N/A 5.50" 5.89" 100 PSI N/A N/A 2.16 lbs./ft FLX2584-0612
5581-600 & N/A 5501-600 & N/A 6.00" 6.39" 100 PSI N/A N/A 2.34 lbs./ft FLX2584-0662
*Specifications for reference only. Specific test data available on request.
Flexfab

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.

Shop Parts by Flexfab