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Flexfab 5500-050, 0.50" X 3 ft, 3-Ply Green Silicone Coolant Hose, 13mm

Flexfab 5500-050, 0.50" X 3 ft, 3-Ply Green Silicone Coolant Hose, 13mm

by Flexfab
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$ 37.09
$ 37.09 - $ 37.09
$ 37.09
$ 29.67
$ 29.67 - $ 29.67
$ 29.67
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Quick Specs

BrandFlexfab
Series5500
TypeHose
Body Size1/2"
Length3ft
ColorGreen

Performance & Construction

Construction Green silicone, 3-ply polyester
Inside Diameter 0.50" (13 mm)
Outside Diameter 0.82" (21 mm)
Actual Burst Pressure 500 PSI
Working Pressure ~167 PSI (1/3 of burst)
Temperature Range -65F to +350F
Wall Thickness .140"/.190"
Standards SAE J20 R1 Class A; TMC RP303B Cl I Gr II
Origin Made in USA

Product Details

Product Details

The Flexfab 5500-050 is a green silicone, 3-ply polyester hose engineered for demanding engine environments. It resists hardening, cracking, cold leaks, aging, and many chemicals, making it a durable, long-lasting solution for diesel, automotive, marine, agricultural, and industrial cooling systems. The recommended Flexfab clamp for this size is shown in the chart below.

Why this hose

  • Green silicone, 3-ply polyester — durable construction engineered for demanding cooling-system service.
  • -65F to +350F range — stays flexible in cold and handles under-hood heat without hardening or cracking.
  • Resists hardening, cracking, cold leaks, aging, and many chemicals — long service life where ordinary rubber fails.
  • Meets SAE J20 R1 Class A; TMC RP303B Cl I Gr II — engineered to recognized heavy-duty hose standards.

Frequently asked questions

What clamp does it take?
Use the Flexfab 2582-0006 clamp, sized to this hose’s outside diameter. Two clamps per connection is standard practice.

Flexfab 5500 Series — Complete Size & Clamp Chart

Every size in the series. Click a part number to open that product. The clamp column shows the Flexfab clamp that fits each hose OD.

Part ID (in) ID (mm) OD (in) OD (mm) Actual Burst SAE Weight (lb/ft) Matching Clamp
5500-038 0.38" 10 0.70" 18 500 PSI 425.0 0.12 2582-0004
5500-050 0.50" 13 0.82" 21 500 PSI 425.0 0.16 2582-0006
5500-062 0.63" 16 0.95" 24 485 PSI 425.0 0.2 2582-0010
5500-075 0.75" 19 1.07" 27 475 PSI 325.0 0.24 2582-0012
5500-087 0.88" 22 1.20" 30 465 PSI 300.0 0.28 2582-0012
5500-100 1.00" 25 1.32" 34 450 PSI 300.0 0.32 2582-0016
5500-112 1.13" 29 1.45" 37 435 PSI 300.0 0.36 2582-0016
5500-112X12 1.13" 29 1.45" 37 435 PSI 300.0 0.36 2582-0016
5500-125 1.25" 32 1.57" 40 425 PSI 275.0 0.4 2582-0020
5500-125X12 1.25" 32 1.57" 40 425 PSI 275.0 0.4 2582-0020
5500-150 1.50" 38 1.82" 46 375 PSI 250.0 0.48 2582-0024
5500-150X12 1.50" 38 1.82" 46 375 PSI 250.0 0.48 2582-0024
5500-162 1.63" 41 1.95" 50 350 PSI 225.0 0.52 2582-0024
5500-175 1.75" 44 2.07" 53 300 PSI 225.0 0.56 2582-0028
5500-187 1.88" 48 2.20" 56 250 PSI 200.0 0.6 2582-0032
5500-200 2.00" 51 2.32" 59 250 PSI 200.0 0.64 2582-0032
5500-200X12 2.00" 51 2.32" 59 250 PSI 200.0 0.64 2582-0032
5500-212 2.13" 54 2.45" 62 235 PSI 175.0 0.68 2582-0032
5500-238 2.38" 60 2.70" 69 210 PSI 150.0 0.76 2582-0040
5500-250 2.50" 64 2.82" 72 200 PSI 150.0 0.8 2582-0040
5500-262 2.63" 67 2.95" 75 200 PSI 125.0 0.84 2582-0040
5500-275 2.75" 70 3.07" 78 200 PSI 125.0 0.88 2582-0044
5500-312 3.13" 80 3.45" 88 175 PSI 75.0 1.0 2582-0048
5500-325 3.25" 83 3.57" 91 175 PSI 75.0 1.04 2582-0052
5500-338 3.38" 86 3.70" 94 150 PSI 75.0 1.08 2582-0052
5500-350 3.50" 89 3.82" 97 150 PSI 75.0 1.12 2582-0056
5500-375 3.75" 95 4.07" 103 135 PSI 50.0 1.2 2582-0060
5500-400 4.00" 102 4.32" 110 125 PSI 50.0 1.28 2582-0064
5500-450 4.50" 114 4.82" 122 100 PSI — 1.44 2582-0072
5500-500 5.00" 127 5.32" 135 90 PSI — 1.6 2584-0562
5500-600 6.00" 152 6.32" 161 75 PSI — 1.92 2584-0662

Pairs With

Flexfab 2582-0006 Lined Worm Gear Clamp, 0.375"–0.50" ID, 300 SS, 10 Per Box Flexfab 2582-0006 Lined Worm Gear Clamp The matching half for this connection. Most buyers need both. $ 17.49
FLEXFAB

Industrial silicone hose engineered for heater, coolant, and high temperature service. Genuine Flexfab product with correct part numbers and specifications.

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