Silicone Rubber Blue Coolant Hose, 3.39 Inch OD, 3.00 Inch ID, 36 Inch Long

Description & Features

Flexfab's Silicone Rubber Blue Coolant Hose is engineered to endure continuous operating temperatures ranging from -65deg;F to 350deg;F. Constructed with a 4-ply silicone reinforcement and coated with a specially compounded silicone elastomer this hose ensures durability and high performance.

It meets or exceeds the stringent requirements of SAE J20 R1 Class A TMC RP303B Class 1 Grade 1 and most OEM truck manufacturers' specifications making it an optimal choice for demanding industrial applications.

With an inner diameter of 3 inches and an outer diameter of 3.39 inches the hose extends to a length of 36 inches providing ample coverage for various setups. Additionally the tireless Flexfab craftsmanship guarantees a burst pressure capacity of 250 PSI.

Perfectly suited for refrigeration air conditioning pressure washer jack hose hydraulic brake hose air brake engine and air brake categories this product offers reliable and efficient performance in critical operations.

MPN: C1KH13

Supplier Part Number: 5581-300

Specifications

Burst Pressure
250
Brand
Flexfab
Brand
Flexfab
Pack Size
36.00
UOM
LN3
Hose I.D.
3
Hose O.D.
3.39
Length
36
Supplier Part Number
5581-300
Alternate Part Numbers
Alternate Part Number 5581-300, Alternate Part Number 5581-300C, Alternate Part Number C1KH13, Alternate Part Number MI-08046284, Alternate Part Number MINO-01591X05374
Product Weight
5.13 lbs

Similar Products

Model Number Hose I.D. Hose O.D. Burst Pressure Length Price Action
Silicone Rubber Blue Coolant Hose, 1.64 Inch OD, 1.25 Inch ID, 36 Inch Long

FLX5581-125 Silicone Rubber Coolant Hose

1.25

1.64

500

36

Silicone Rubber Blue Coolant Hose, 1.77 Inch OD, 1.38 Inch ID, 36 Inch Long

FLX5581-138 Silicone Rubber Coolant Hose

1.38

1.77

475

36

Silicone Rubber Blue Coolant Hose, 2.39 Inch OD, 2.00 Inch ID, 36 Inch Long

FLX5581-200 Silicone Rubber Coolant Hose

2

2.39

400

36

Silicone Rubber Blue Coolant Hose, 2.89 Inch OD, 2.50 Inch ID, 36 Inch Long

FLX5581-250 Silicone Rubber Coolant Hose

2.5

2.89

300

36

Silicone Rubber Blue Coolant Hose, 1.27 Inch OD, 0.88 Inch ID, 36 Inch Long

FLX5581-087 Silicone Rubber Coolant Hose

0.88

1.27

560

36

Silicone Rubber Blue Coolant Hose, 1.39 Inch OD, 1.00 Inch ID, 36 Inch Long

FLX5581-100 Silicone Rubber Coolant Hose

1

1.39

550

36

Silicone Rubber Blue Coolant Hose, 1.89 Inch OD, 1.50 Inch ID, 36 Inch Long

FLX5581-150 Silicone Rubber Coolant Hose

1.5

1.89

450

36

Silicone Rubber Blue Coolant Hose, 2.14 Inch OD, 1.75 Inch ID, 36 Inch Long

FLX5581-175 Silicone Rubber Coolant Hose

1.75

2.14

400

36

Silicone Rubber Blue Coolant Hose, 2.27 Inch OD, 1.88 Inch ID, 36 Inch Long

FLX5581-187 Silicone Rubber Coolant Hose

1.88

2.27

400

36

Silicone Rubber Blue Coolant Hose, 2.64 Inch OD, 2.25 Inch ID, 36 Inch Long

FLX5581-225 Silicone Rubber Coolant Hose

2.25

2.64

350

36

Silicone Rubber Blue Coolant Hose, 2.77 Inch OD, 2.38 Inch ID, 36 Inch Long

FLX5581-238 Silicone Rubber Coolant Hose

2.38

2.77

325

36

Silicone Rubber Blue Coolant Hose, 3.14 Inch OD, 2.75 Inch ID, 36 Inch Long

FLX5581-275 Silicone Rubber Coolant Hose

2.75

3.14

275

36

Silicone Rubber Blue Coolant Hose, 3.27 Inch OD, 2.88 Inch ID, 36 Inch Long

FLX5581-287 Silicone Rubber Coolant Hose

2.88

3.27

250

36

Silicone Rubber Blue Coolant Hose, 3.39 Inch OD, 3.00 Inch ID, 36 Inch Long

FLX5581-300 Silicone Rubber Coolant Hose

3

3.39

250

36

Silicone Rubber Blue Coolant Hose, 3.89 Inch OD, 3.50 Inch ID, 36 Inch Long

FLX5581-350 Silicone Rubber Coolant Hose

3.5

3.89

200

36

Silicone Rubber Blue Coolant Hose, 4.39 Inch OD, 4.00 Inch ID, 36 Inch Long

FLX5581-400 Silicone Rubber Coolant Hose

4

4.39

150

36

Silicone Rubber Blue Coolant Hose, 4.89 Inch OD, 4.50 Inch ID, 36 Inch Long

FLX5581-450 Silicone Rubber Coolant Hose

4.5

4.89

150

36

Silicone Rubber Blue Coolant Hose, 5.39 Inch OD, 5.00 Inch ID, 36 Inch Long

FLX5581-500 Silicone Rubber Coolant Hose

5

5.39

125

36

Product Questions & Answers (1)

Question by: Hubert E on Jul 6, 2025, 9:07 AM
got a tight spot to run coolant line. what are the actual hose dimensions on this one?
Answer by: Customer Support on Jul 7, 2025, 9:23 AM
You are working with a 3.00 inch inside diameter and a 3.39 inch outside diameter, and the hose length is 36 inches.