Skip to main content
HalloweenPetLawn & GardenTruck & AutomotiveSporting GoodsHorseFarm & RanchClothingLivestockPet & Animal PharmacyToolsPoultryFencing & GatesHome ImprovementOutdoor LivingHeating & CoolingHome Decor & FurnitureOutdoor Power EquipmentTrailers & TowingBoots & ShoesWild Birds & WildlifeToysGift CardsServices Propane RefillTrailer RentalGarden CenterFeed CenterSame Day DeliveryPetVet ClinicPet WashGrooming at PetsenseDog Training at PetsenseTractor Supply RxPet InsuranceWag!

"Savings and Offers"

Weekly AdSaleClearance

"More Options"

Weekly AdWhat's NewTractor Supply AppEarn Rewards with Neighbor's ClubHometown HeroesLife Out Here BlogTSC Exclusive BrandsTop BrandsClearance ItemsBattery FinderOutdoor Power Equipment Parts FinderHitch Finder

Spend $49.99 to unlock Free Delivery on most orders

|
Learn More
Order statusTSC Credit CardsWhat’s newPetsenseWeekly Ad
​
Sign In / EnrollGet rewarded!
​
Halloween
Pet
Lawn & Garden
Truck & Automotive
Sporting Goods
Horse
Farm & Ranch
Clothing
Livestock
Pet & Animal Pharmacy
Tools
Poultry
Fencing & Gates
Home Improvement
Outdoor Living
Heating & Cooling
Menu

Search

Home

Sign In

Cart
0.0
(0)
0.0 out of 5 stars.
A woman outside with a dog
A woman outside with a dog
  1. Home
  2. /
  3. Tools
  4. /
  5. Air Compressors & Air Tools
  6. /
  7. Air Compressor Accessories & Parts
  8. /
  9. Filters, Regulators & Lubricators
  10. /

  11. ARO 2 in. Super-Duty Series Air Line Compressor Regulator, 0-140 PSIG, R37591-300

  1. Home
  2. /
  4. /
  5. Filters, Regulators & Lubricators

ARO 2 in. Super-Duty Series Air Line Compressor Regulator, 0-140 PSIG, R37591-300

Shop all ARO

  • Limited Time Deal

ARO 2 in. Super-Duty Series Air Line Compressor Regulator, 0-140 PSIG, R37591-300

Item # 191485799

ARO ARO 2 in. Super-Duty Series Air Line Compressor Regulator, 0-140 PSIG, R37591-300
ARO ARO 2 in. Super-Duty Series Air Line Compressor Regulator, 0-140 PSIG, R37591-300
$35999

Sale

Was$39999

Save$4000(10%)

or
or

Add this item to unlock free delivery!

Neighbor's Club logo
Neighbor’s Club Members earn points with purchases.

Sign in or Join Now

Shop all ARO

  • Limited Time Deal

ARO 2 in. Super-Duty Series Air Line Compressor Regulator, 0-140 PSIG, R37591-300

Item # 191485799

ARO ARO 2 in. Super-Duty Series Air Line Compressor Regulator, 0-140 PSIG, R37591-300
ARO ARO 2 in. Super-Duty Series Air Line Compressor Regulator, 0-140 PSIG, R37591-300

$35999

Sale

Was$39999

Save$4000(10%)

or
or
financeCard Logo
$60/mo.†  suggested payments with 6 Months Financing or earn $17 in Rewards+ on this purchase.

Add this item to unlock free delivery!

This item is available online only

Delivery to

Free standard delivery on online footwear & Clothing purchases of $49 and over.

​
Neighbor's Club logo
Neighbor’s Club Members earn points with purchases.

Sign in or Join Now

Use the ARO Super-Duty Series Air Line Compressor Regulator to deliver controlled, consistent air pressure as required. Ideal for specific pneumatic equipment connected to the air system, this air line compressor regulator has the power to complete a variety of repair projects efficiently and conveniently. The air line regulator is offered with a standard adjustment range of 0-140 PSIG (0-9.6 BarG).

  • Offered with a standard air line regulator adjustment range of 0-140 PSIG (0-9.6 BarG)
  • Delivers controlled, consistent air pressure as required
  • Ideal air line compressor regulator for specific pneumatic equipment connected to the air system
BrandARO
Country of OriginMade in USA
CompatibilityUniversal
Inlet Size2 in.
Inlet TypeNPT
Package Quantity1
Product Height11.88 in.
Product Length5.3 in.
Product Weight11 lb.
Product Width3.63 in.
Manufacturer Part NumberR37591-300
No questions have been asked about this product.

No questions have been asked about this product.

Q&As

No questions have been asked about this product.

No questions have been asked about this product.

Similar Items

  1. Top Rated
    ARO 2 in. Super-Duty Series Air Line Compressor Regulator, 0-140 PSIG, R37591-100
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

    ARO 2 in. Super-Duty Series Air Line Compressor Regulator, 0-140 PSIG, R37591-100

    $379.99
  2. ARO Super-Duty Series Air Line Compressor Regulator, 1 in., 0-140 PSIG, R37561-300
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ARO Super-Duty Series Air Line Compressor Regulator, 1 in., 0-140 PSIG, R37561-300

    $179.99
    Was $199.99Save $20.00
  3. ARO 1500 Series Air Line Compressor Regulator, 0-140 PSIG, Non-Relieving
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ARO 1500 Series Air Line Compressor Regulator, 0-140 PSIG, Non-Relieving

    $62.99
    Was $69.99Save $7.00
  4. ARO Super-Duty Series Air Line Compressor Regulator, 1 in., 0-140 PSIG, R37561-100
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ARO Super-Duty Series Air Line Compressor Regulator, 1 in., 0-140 PSIG, R37561-100

    $179.99
    Was $199.99Save $20.00
  5. ARO Super-Duty Series Air Pressure Regulator, 0-140 PSIG
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ARO Super-Duty Series Air Pressure Regulator, 0-140 PSIG

    $341.99
    Was $379.99Save $38.00
  6. ARO 1000 Series Air Line Compressor Regulator, 1/4 in. NPT, 0-140 PSIG, Knob, Non-Relieving
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ARO 1000 Series Air Line Compressor Regulator, 1/4 in. NPT, 0-140 PSIG, Knob, Non-Relieving

    $35.99
    Was $39.99Save $4.00
  7. ARO 3000 Series Air Line Compressor Regulator, 3/4 in. NPT, 0-140 PSIG, Knob
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ARO 3000 Series Air Line Compressor Regulator, 3/4 in. NPT, 0-140 PSIG, Knob

    $152.99
    Was $169.99Save $17.00
  8. ARO 3000 Series Air Line Compressor Regulator, 1 in. NPT, 0-140 PSIG, Knob, Non-Relieving
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ARO 3000 Series Air Line Compressor Regulator, 1 in. NPT, 0-140 PSIG, Knob, Non-Relieving

    $161.99
    Was $179.99Save $18.00
  9. Top Rated
    ARO 1/4 in. Air Line Pressure Regulator, 0-140 PSIG
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

    ARO 1/4 in. Air Line Pressure Regulator, 0-140 PSIG

    $54.99
  10. ARO 1500 Series Air Line Compressor Regulator, 0-140 PSIG, Relieving, R37221-200
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ARO 1500 Series Air Line Compressor Regulator, 0-140 PSIG, Relieving, R37221-200

    $53.99
    Was $59.99Save $6.00
  11. ARO 1 in. NPT 3000 Series Air Line Compressor Regulator with Gauge, 0-140 PSIG, Knob
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ARO 1 in. NPT 3000 Series Air Line Compressor Regulator with Gauge, 0-140 PSIG, Knob

    $179.99
    Was $199.99Save $20.00
  12. ARO 1500 Series Air Line Compressor Regulator, 0-140 PSIG, Relieving, R37221-400
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ARO 1500 Series Air Line Compressor Regulator, 0-140 PSIG, Relieving, R37221-400

    $53.99
    Was $59.99Save $6.00

Items You May Like

  1. ARO 2000 Series Air Line Compressor Regulator, 3/8 in. NPT, Knob, Relieving, R37331-400
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ARO 2000 Series Air Line Compressor Regulator, 3/8 in. NPT, Knob, Relieving, R37331-400
  2. ARO 1000 Series Air Line Compressor Regulator, 1/8 in. NPT, Knob, Relieving, R37111-400
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ARO 1000 Series Air Line Compressor Regulator, 1/8 in. NPT, Knob, Relieving, R37111-400

    $26.99
    Was $29.99Save $3.00
  3. ARO 3000 Series Air Line Compressor Regulator, 1 in. NPT, Knob
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ARO 3000 Series Air Line Compressor Regulator, 1 in. NPT, Knob

    $161.99
    Was $179.99Save $18.00
  4. Top Rated
    ARO 2000 Series Air Line Compressor Regulator, 1/2 in. NPT, Knob, Relieving, R37341-300
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

    ARO 2000 Series Air Line Compressor Regulator, 1/2 in. NPT, Knob, Relieving, R37341-300

    $71.99
    Was $79.99Save $8.00
  5. ARO 2000 Series Air Line Compressor Regulator, 1/2 in. NPT, Knob, Relieving, R37341-200
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ARO 2000 Series Air Line Compressor Regulator, 1/2 in. NPT, Knob, Relieving, R37341-200

    $71.99
    Was $79.99Save $8.00
  6. ARO 2000 Series Lubricator, 1/2 in. Metal Bowl
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ARO 2000 Series Lubricator, 1/2 in. Metal Bowl

    $107.99
    Was $119.99Save $12.00
  7. JobSmart Air Tool Accessory Kit, 20 pc.
    4.5 out of 5 stars with 4 reviews
    4.5 (4)

    JobSmart Air Tool Accessory Kit, 20 pc.

    $14.99
  8. ARO 1/4 in. Precision Air Compressor Regulator
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ARO 1/4 in. Precision Air Compressor Regulator

    $233.99
    Was $259.99Save $26.00
  9. ARO 1500 Series Air Line Compressor Regulator, 3/8 in. NPT, 0-140 PSIG, Knob, R37231-100
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ARO 1500 Series Air Line Compressor Regulator, 3/8 in. NPT, 0-140 PSIG, Knob, R37231-100

    $62.99
    Was $69.99Save $7.00
  10. ARO 1500 Series Air Line Compressor Regulator with Gauge, 1/4 in. NPT, 0-140 PSIG, Knob
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ARO 1500 Series Air Line Compressor Regulator with Gauge, 1/4 in. NPT, 0-140 PSIG, Knob

    $71.99
    Was $79.99Save $8.00
  11. ARO 3/4 in. NPT 3000 Series Air Compressor Regulator, Standard Knob Control, 0 to 140 PSI
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ARO 3/4 in. NPT 3000 Series Air Compressor Regulator, Standard Knob Control, 0 to 140 PSI

    $152.99
    Was $169.99Save $17.00
  12. ARO Precision Air Compressor Regulator, 3/4 in.
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ARO Precision Air Compressor Regulator, 3/4 in.

    $539.99
    Was $599.99Save $60.00

Customers Also Bought

  1. ARO Precision Air Compressor Regulator, 3/8 in., PR4031-200
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ARO Precision Air Compressor Regulator, 3/8 in., PR4031-200

    $233.99
    Was $259.99Save $26.00
  2. ARO 1500 Series Air Line Compressor Regulator with Gauge, 3/8 in. NPT, 0-140 PSIG, Knob
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ARO 1500 Series Air Line Compressor Regulator with Gauge, 3/8 in. NPT, 0-140 PSIG, Knob

    $71.99
    Was $79.99Save $8.00
  3. ARO 1000 Series Piggyback Air Compressor Filter/Regulator, Poly Bowl
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ARO 1000 Series Piggyback Air Compressor Filter/Regulator, Poly Bowl

    $71.99
    Was $79.99Save $8.00
  4. ARO 2000 Series Air Line Compressor Regulator, 3/8 in. NPT, Knob, Relieving, R37331-300
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ARO 2000 Series Air Line Compressor Regulator, 3/8 in. NPT, Knob, Relieving, R37331-300

    $71.99
    Was $79.99Save $8.00
  5. ARO 1500 Series Air Line Compressor Regulator, 3/8 in. NPT, 0-140 PSIG, Knob, R37231-400
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ARO 1500 Series Air Line Compressor Regulator, 3/8 in. NPT, 0-140 PSIG, Knob, R37231-400

    $62.99
    Was $69.99Save $7.00
  6. ARO 3000 Series Air Line Compressor Regulator, 3/4 in. NPT, Knob
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ARO 3000 Series Air Line Compressor Regulator, 3/4 in. NPT, Knob

    $152.99
    Was $169.99Save $17.00
  7. ARO 1000 Series Compressed Air Filter, 1/4 in. NPT, Manual Drain, Metal Bowl, F35121-320
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ARO 1000 Series Compressed Air Filter, 1/4 in. NPT, Manual Drain, Metal Bowl, F35121-320

    $67.49
    Was $74.99Save $7.50
  8. ARO 1500 Series Piggyback Air Compressor Filter/Regulator, 1/4 in. NPT, Poly Bowl
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ARO 1500 Series Piggyback Air Compressor Filter/Regulator, 1/4 in. NPT, Poly Bowl

    $116.99
    Was $129.99Save $13.00
  9. ARO 1/4 in. NPT 1000 Series Non-Relieving Air Regulator, Standard Knob Control, 0 to 140 PSI
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ARO 1/4 in. NPT 1000 Series Non-Relieving Air Regulator, Standard Knob Control, 0 to 140 PSI

    $49.49
    Was $54.99Save $5.50
  10. ARO 1000 Series Piggyback Air Compressor Filter/Regulator, 1/4 in. NPT, Poly Bowl, 0-30 PSI
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ARO 1000 Series Piggyback Air Compressor Filter/Regulator, 1/4 in. NPT, Poly Bowl, 0-30 PSI

    $71.99
    Was $79.99Save $8.00
  11. ARO 2000 Series Air Line Compressor Regulator, 1/2 in. NPT, 0-140 PSIG, Knob, Non-Relieving
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ARO 2000 Series Air Line Compressor Regulator, 1/2 in. NPT, 0-140 PSIG, Knob, Non-Relieving

    $119.99
  12. ARO 3000 Series Air Line Compressor Regulator, 1 in. NPT, 0-140 PSIG, Knob, Relieving, R37461-100
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ARO 3000 Series Air Line Compressor Regulator, 1 in. NPT, 0-140 PSIG, Knob, Relieving, R37461-100

    $152.99
    Was $169.99Save $17.00

Reviews

Review this Product

Select to rate the item with 1 star. This action will open submission form.
Select to rate the item with 2 stars. This action will open submission form.
Select to rate the item with 3 stars. This action will open submission form.
Select to rate the item with 4 stars. This action will open submission form.
Select to rate the item with 5 stars. This action will open submission form.
Be the first to review this product
Get the top deals, latest trends and more
Sign up for emails from Tractor Supply today.
First Name*
Last Name*
Email*

Customer Support

  • Order Status

  • Return Policy

  • Delivery Options

  • Tax Exemptions

  • Frequently Asked Questions

  • Contact Us

  • Recall Notices

  • Call:  

    (877) 718-6750

  • Mon - Sat: 7am - 9pm CT

  • Sun: 8am - 7pm CT

  • Closed Christmas Day

About Us

  • Who We Are

  • Investor Relations

  • Stewardship

  • Community

  • Military Support

  • Product Catalog

  • Tractor Supply Stores

  • .Pharmacy Verified Website

Work With Us

  • Careers

  • Sponsorship

  • Affiliate Program

  • Potential Vendor Partners

  • Vendor Information

  • Tractor Supply Media Network

Neighbor's Club

  • About

  • Rewards

  • Hometown Heroes

  • Frequently Asked Questions

  • Terms & Conditions

Credit Center

  • TSC Credit Card

  • Klarna

Stay Connected

Connect & Share with the Tractor Supply Community.

Tractor Supply App

Shop on the go with the Tractor Supply App

Learn More

Stay Connected

Connect & Share with the Tractor Supply Community.

Tractor Supply App

Shop on the go with the Tractor Supply App

Learn More
  • Order Status

  • Return Policy

  • Delivery Options

  • Tax Exemptions

  • Frequently Asked Questions

  • Contact Us

  • Recall Notices

  • Call:  (877) 718-6750

  • Mon - Sat: 7am - 9pm CT

  • Sun: 8am - 7pm CT

  • Closed Christmas Day

  • Who We Are

  • Investor Relations

  • Stewardship

  • Community

  • Military Support

  • Product Catalog

  • Tractor Supply Stores

  • .Pharmacy Verified Website

  • Careers

  • Sponsorship

  • Affiliate Program

  • Potential Vendor Partners

  • Vendor Information

  • Tractor Supply Media Network

  • About

  • Rewards

  • Hometown Heroes

  • Frequently Asked Questions

  • Terms & Conditions

  • TSC Credit Card

  • Klarna

Connect & Share with the Tractor Supply Community.

Shop on the go with the Tractor Supply App

Learn More
  • Privacy policy
  • Your Privacy Choices
  • Terms and Conditions
  • California Transparency Act
  • Legal Notices
  • Accessibility
  • Responsible Disclosure Statement
  • Surprise (Balance) Medical Billing Disclosure
  • Transparency in Coverage
  • Human Rights Policy
  • Vendor Code of Conduct
  • California Notice of Collection
  • Privacy Requests

© 2026, Tractor Supply Co. All Rights Reserved.