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Air Line Fittings

Air Line Fittings

Quality air and brake line connectors and fittings for Heavy Duty trucks. Brass and nylon tube fittings.

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Found 257 Matching Products
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  5. Compression Nut
  1. Compression Sleeve
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  1. Swivel Connector
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  3. Tee Union
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  5. Tube Insert
  1. Tube Nut
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  3. Unions
  1. 1-1/2 inches
  2. 2 inches
  1. 1-11/16 inches
  2. 1-29/32 inches
  1. 1-3/8 inches
  2. 1-5/16 inches
  1. 15/16 inches
  2. 2-7/8 inches
  1. 1/2-20 Male
  1. 3/4-16 Male
  1. 3/4-20
  1. 5/8-18 Male
  1. 7/8-20
  1. Mack
  1. Brass
  1. Steel
  1. 45 Degree
  1. 90 Degree
  1. 1 inch
  2. 1/2 inch
  1. 1/4 inch
  2. 1/4"-18 NPTF
  1. 1/8 inch
  2. 3/4 inch
  1. 3/8 inch
  2. 3/8 inch-24
  1. 3/8"-18 NPTF
  1. 1/2 inch
  1. 1/4 inch
  1. 3/8 inch
  1. 5/8 inch
  1. Yes
  1. 1/16 inch
  2. 1/2 inch
  1. 1/2"-14 NPTF
  2. 1/4 inch
  1. 1/8 inch
  2. 3/4 inch
  1. 3/8 inch
  2. 3/8"-18 NPTF
  1. 1/8 inch
  2. 5/32 inch
  1. 3/16 inch
  2. 1/4 inch
  1. 5/16 inch
  2. 3/8 inch
  1. 1/2 inch
  2. 5/8 inch
  1. 3/4 inch
  1. 3/8 inch
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SKU BF-460-10
$1.30
$0.65

Flanged Nylon Tube Sleeve | 5/8 Inch

Flanged Sleeve for nylon air brake tubing, 5/8 inch.   Details

20+ In Stock
  • Fitting Type:Tube Sleeve
  • Connector Type:Compression
  • Outer Diameter Tube: 5/8 inch
  • MPN: 460-10
SKU BF-460-12
$2.39
$1.20

Flanged Nylon Tube Sleeve | 3/4 Inch

Flanged Sleeve for nylon air brake tubing, 3/4 inch.   Details

20+ In Stock
  • Fitting Type:Tube Sleeve
  • Connector Type:Compression
  • Outer Diameter Tube: 3/4 inch
  • MPN: 460-12
SKU BF-460-6
$0.51
$0.26

Flanged Nylon Tube Sleeve | 3/8 Inch

Flanged Sleeve for nylon air brake tubing, 3/8 inch.   Details

20+ In Stock
  • Fitting Type:Tube Sleeve
  • Connector Type:Compression
  • Outer Diameter Tube: 3/8 inch
  • MPN: 460-6
SKU BF-460-8
$0.68
$0.34

Flanged Nylon Tube Sleeve | 1/2 Inch

Flanged Sleeve for nylon air brake tubing, 1/2 inch.   Details

20+ In Stock
  • Fitting Type:Tube Sleeve
  • Connector Type:Compression
  • Outer Diameter Tube: 1/2 inch
  • MPN: 460-8
SKU BF-461-10
$3.35
$1.68

Nylon Air Tube Nut | 5/8 Inch

Nut for nylon air brake tubing, 5/8 inch.   Details

7 In Stock
  • Fitting Type:Tube Nut
  • Connector Type:Compression
  • Outer Diameter Tube: 5/8 inch
  • MPN: 461-10
SKU BF-461-12
$6.26
$3.13

Nylon Air Tube Nut | 3/4 Inch

Nut for nylon air brake tubing, 3/4 inch.   Details

11 In Stock
  • Fitting Type:Tube Nut
  • Connector Type:Compression
  • Outer Diameter Tube: 3/4 inch
  • MPN: 461-12
SKU BF-461-4
$1.03
$0.51

Nylon Air Tube Nut | 1/4 Inch

Nut for nylon air brake tubing, 1/4 inch.   Details

18 In Stock
  • Fitting Type:Tube Nut
  • Connector Type:Compression
  • Outer Diameter Tube: 1/4 inch
  • MPN: 461-4
SKU BF-461-6
$1.23
$0.62

Nylon Air Tube Nut | 3/8 Inch

Nut for nylon air brake tubing, 3/8 inch.   Details

15 In Stock
  • Fitting Type:Tube Nut
  • Connector Type:Compression
  • Outer Diameter Tube: 3/8 inch
  • MPN: 461-6
SKU BF-461-8
$2.26
$1.13

Nylon Air Tube Nut | 1/2 Inch

Nut for nylon air brake tubing, 1/2 inch.   Details

20+ In Stock
  • Fitting Type:Tube Nut
  • Connector Type:Compression
  • Outer Diameter Tube: 1/2 inch
  • MPN: 461-8
SKU BF-462-10
$19.32
$9.66

Nylon Air Tube Straight Union | 5/8 Inch

Straight Union for nylon air brake tubing, 5/8 inch.   Details

6 In Stock
  • Fitting Type:Straight Union
  • Connector Type:Compression
  • Outer Diameter Tube: 5/8 inch
  • MPN: 462-10
SKU BF-462-12
$33.14
$16.57

Nylon Air Tube Straight Union | 3/4 Inch

Straight Union for nylon air brake tubing, 3/4 inch.   Details

2 In Stock
  • Fitting Type:Straight Union
  • Connector Type:Compression
  • Outer Diameter Tube: 3/4 inch
  • MPN: 462-12
SKU BF-462-6
$7.15
$3.57

Nylon Air Tube Straight Union | 3/8 Inch

Straight Union for nylon air brake tubing, 3/8 inch.   Details

15 In Stock
  • Fitting Type:Straight Union
  • Connector Type:Compression
  • Outer Diameter Tube: 3/8 inch
  • MPN: 462-6
SKU BF-462-8
$12.00
$6.00

Nylon Air Tube Straight Union | 1/2 Inch

Straight Union for nylon air brake tubing, 1/2 inch.   Details

16 In Stock
  • Fitting Type:Straight Union
  • Connector Type:Compression
  • Outer Diameter Tube: 1/2 inch
  • MPN: 462-8
SKU BF-463-10
$6.00
$2.14

Nylon Air Tube Support Insert | 5/8 Inch

Support Insert for nylon air brake tubing, 5/8 inch.   Details

7 In Stock
  • Fitting Type:Tube Insert
  • Connector Type:Compression
  • Outer Diameter Tube: 5/8 inch
  • MPN: 463-10
SKU BF-463-12
$2.77
$1.39

Nylon Air Tube Support Insert | 3/4 Inch

Support Insert for nylon air brake tubing, 3/4 inch.   Details

11 In Stock
  • Fitting Type:Tube Insert
  • Connector Type:Compression
  • Outer Diameter Tube: 3/4 inch
  • MPN: 463-12
SKU BF-463-6
$0.65
$0.33

Nylon Air Tube Support Insert | 3/8 Inch

Support Insert for nylon air brake tubing, 3/8 inch.   Details

20+ In Stock
  • Fitting Type:Tube Insert
  • Connector Type:Compression
  • Outer Diameter Tube: 3/8 inch
  • MPN: 463-6
SKU BF-463-8
$0.96
$0.48

Nylon Air Tube Support Insert | 1/2 Inch

Support Insert for nylon air brake tubing, 1/2 inch.   Details

20+ In Stock
  • Fitting Type:Tube Insert
  • Connector Type:Compression
  • Outer Diameter Tube: 1/2 inch
  • MPN: 463-8
SKU BF-464-10
$43.50
$21.75

Nylon Air Tube Tee Union | 5/8 Inch

Tee Union for nylon air brake tubing, 5/8 inch.   Details

4 In Stock
  • Fitting Type:Tee Union
  • Connector Type:Compression
  • Outer Diameter Tube: 5/8 inch
  • MPN: 464-10
SKU BF-464-4
$12.28
$6.14

Nylon Air Tube Tee Union | 1/4 Inch

Tee Union for nylon air brake tubing, 1/4 inch.   Details

4 In Stock
  • Fitting Type:Tee Union
  • Connector Type:Compression
  • Outer Diameter Tube: 1/4 inch
  • MPN: 464-4
SKU BF-464-6
$13.54
$6.77

Nylon Air Tube Tee Union | 3/8 Inch

Tee Union for nylon air brake tubing, 3/8 inch.   Details

5 In Stock
  • Fitting Type:Tee Union
  • Connector Type:Compression
  • Outer Diameter Tube: 3/8 inch
  • MPN: 464-6
SKU BF-464-664
$35.47
$17.73

Nylon Air Tube Reducing Tee Union | 3/8 Inch to 1/4 Inch

Reducing Tee Union for nylon air brake tubing, 3/8 inch to 1/4 inch.   Details

2 In Stock
  • Fitting Type:Tee Union
  • Connector Type:Compression
  • Outer Diameter Tube: 3/8 inch
  • Outer Diameter Tube (2):3/8 inch
  • Outer Diameter Tube (3)"1/4 inch
  • MPN: 464-664
SKU BF-464-668
$39.16
$19.58

Nylon Air Tube Reducing Tee Union | 3/8 Inch to 1/2 Inch

Reducing Tee Union for nylon air brake tubing, 3/8 inch to 1/2 inch.   Details

Typically ships in 5 to 7 business days.
  • Fitting Type:Tee Union
  • Connector Type:Compression
  • Outer Diameter Tube: 3/8 inch
  • Outer Diameter Tube (2):3/8 inch
  • Outer Diameter Tube (3)"1/2 inch
  • MPN: 464-668
SKU BF-464-8
$23.63
$11.82

Nylon Air Tube Tee Union | 1/2 Inch

Tee Union for nylon air brake tubing, 1/2 inch.   Details

3 In Stock
  • Fitting Type:Tee Union
  • Connector Type:Compression
  • Outer Diameter Tube: 1/2 inch
  • MPN: 464-8
SKU BF-464-886
$94.80
$47.40

Nylon Air Tube Reducing Tee Union | 1/2 Inch to 3/8 Inch

Reducing Tee Union for nylon air brake tubing, 1/2 inch to 3/8 inch.   Details

6 In Stock
  • Fitting Type:Tee Union
  • Connector Type:Compression
  • Outer Diameter Tube: 1/2 inch
  • Outer Diameter Tube (2):1/2 inch
  • Outer Diameter Tube (3)"3/8 inch
  • MPN: 464-886
SKU BF-465-6
$11.76
$5.88

Nylon Air Tube Elbow Union | 3/8 Inch

Elbow Union for nylon air brake tubing, 3/8 inch.   Details

4 In Stock
  • Fitting Type:Elbow Union
  • Connector Type:Compression
  • Outer Diameter Tube: 3/8 inch
  • Elbow:90 Degree
  • MPN: 465-6
SKU BF-466-42
$5.40
$2.70

Nylon Air Tube to Female Pipe Straight Adapter | 1/4 Inch Tubing, 1/8 Inch Pipe

Female Pipe Straight Adapter for nylon air brake tubing.   Details

8 In Stock
  • Fitting Type:Straight Adapter
  • Connector Type:Compression
  • Outer Diameter Tube: 1/4 inch
  • Female Pipe Thread:1/8 inch
  • MPN: 466-42
SKU BF-466-44
$15.15
$7.58

Nylon Air Tube to Female Pipe Straight Adapter | 1/4 Inch Tubing, 1/4 Inch Pipe

Female Pipe Straight Adapter for nylon air brake tubing.   Details

3 In Stock
  • Fitting Type:Straight Adapter
  • Connector Type:Compression
  • Outer Diameter Tube: 1/4 inch
  • Female Pipe Thread:1/4 inch
  • MPN: 466-44
SKU BF-466-62
$6.67
$3.33

Nylon Air Tube to Female Pipe Straight Adapter | 3/8 Inch Tubing, 1/8 Inch Pipe

Female Pipe Straight Adapter for nylon air brake tubing.   Details

2 In Stock
  • Fitting Type:Straight Adapter
  • Connector Type:Compression
  • Outer Diameter Tube: 3/8 inch
  • Female Pipe Thread:1/8 inch
  • MPN: 466-62
SKU BF-466-64
$7.46
$3.73

Nylon Air Tube to Female Pipe Straight Adapter | 3/8 Inch Tubing, 1/4 Inch Pipe

Female Pipe Straight Adapter for nylon air brake tubing.   Details

3 In Stock
  • Fitting Type:Straight Adapter
  • Connector Type:Compression
  • Outer Diameter Tube: 3/8 inch
  • Female Pipe Thread:1/4 inch
  • MPN: 466-64
SKU BF-466-66
$12.24
$6.12

Nylon Air Tube to Female Pipe Straight Adapter | 3/8 Inch Tubing, 3/8 Inch Pipe

Female Pipe Straight Adapter for nylon air brake tubing.   Details

8 In Stock
  • Fitting Type:Straight Adapter
  • Connector Type:Compression
  • Outer Diameter Tube: 3/8 inch
  • Female Pipe Thread:3/8 inch
  • MPN: 466-66
SKU BF-466-86
$17.58
$8.79

Nylon Air Tube to Female Pipe Straight Adapter | 1/2 Inch Tubing, 3/8 Inch Pipe

Female Pipe Straight Adapter for nylon air brake tubing.   Details

4 In Stock
  • Fitting Type:Straight Adapter
  • Connector Type:Compression
  • Outer Diameter Tube: 1/2 inch
  • Female Pipe Thread:3/8 inch
  • MPN: 466-86
SKU BF-466-88
$26.54
$13.27

Nylon Air Tube to Female Pipe Straight Adapter | 1/2 Inch Tubing, 1/2 Inch Pipe

Female Pipe Straight Adapter for nylon air brake tubing.   Details

7 In Stock
  • Fitting Type:Straight Adapter
  • Connector Type:Compression
  • Outer Diameter Tube: 1/2 inch
  • Female Pipe Thread:1/2 inch
  • MPN: 466-88
SKU BF-468-106
$12.18
$6.09

Nylon Air Tube to Male Pipe Straight Adapter | 5/8 Inch Tubing, 3/8 Inch Pipe

Male Pipe Straight Adapter for nylon air brake tubing.   Details

6 In Stock
  • Fitting Type:Straight Adapter
  • Connector Type:Compression
  • Outer Diameter Tube: 5/8 inch
  • Male Pipe Thread:3/8 inch
  • MPN: 468-106
SKU BF-468-108
$12.18
$6.09

Nylon Air Tube to Male Pipe Straight Adapter | 5/8 Inch Tubing, 1/2 Inch Pipe

Male Pipe Straight Adapter for nylon air brake tubing.   Details

8 In Stock
  • Fitting Type:Straight Adapter
  • Connector Type:Compression
  • Outer Diameter Tube: 5/8 inch
  • Male Pipe Thread:1/2 inch
  • MPN: 468-108
SKU BF-468-128
$19.15
$9.58

Nylon Air Tube to Male Pipe Straight Adapter | 3/4 Inch Tubing, 1/2 Inch Pipe

Male Pipe Straight Adapter for nylon air brake tubing.   Details

8 In Stock
  • Fitting Type:Straight Adapter
  • Connector Type:Compression
  • Outer Diameter Tube: 3/4 inch
  • Male Pipe Thread:1/2 inch
  • MPN: 468-128
SKU BF-468-42
$3.73
$1.86

Nylon Air Tube to Male Pipe Straight Adapter | 1/4 Inch Tubing, 1/8 Inch Pipe

Male Pipe Straight Adapter for nylon air brake tubing.   Details

10 In Stock
  • Fitting Type:Straight Adapter
  • Connector Type:Compression
  • Outer Diameter Tube: 1/4 inch
  • Male Pipe Thread:1/8 inch
  • MPN: 468-42

Installing or repairing the air suspension on your heavy duty truck or trailer? Need an extra or replacement air fitting? TruckSpring.com stocks brass, tube, hose and valve fittings for just about any air system.

From tees to elbows, couplings and adapters, caps or plugs, we have it in stock. Browse our selection or call us at 1-800-358-4751 to talk to one of our air suspension experts.

Air Line Fittings Reviews

The average customer rating for Air Line Fittings: 5 out of 5.

1 Review.

female pipe to male pipe reducing adapter 120r-42 reviewer
Air Line Fittings - Brass Fittings 120R-42 Rating: 5 Stars

I Have Told Five Person And This Product And The Are Going T

I was a great product!!

Read the Review

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