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 / Enroll

Get rewarded!

​
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 3000 Series 3 pc. Compressed Air Filter/Regulator/Lubricator Unit, Gauge, 3/4 in. NPT, Auto Drain, Metal, C38451-811

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

ARO 3000 Series 3 pc. Compressed Air Filter/Regulator/Lubricator Unit, Gauge, 3/4 in. NPT, Auto Drain, Metal, C38451-811

Shop all ARO

  • Limited Time Deal

ARO 3000 Series 3 pc. Compressed Air Filter/Regulator/Lubricator Unit, Gauge, 3/4 in. NPT, Auto Drain, Metal, C38451-811

Item # 191466399

ARO ARO 3000 Series 3 pc. Compressed Air Filter/Regulator/Lubricator Unit, Gauge, 3/4 in. NPT, Auto Drain, Metal, C38451-811
ARO ARO 3000 Series 3 pc. Compressed Air Filter/Regulator/Lubricator Unit, Gauge, 3/4 in. NPT, Auto Drain, Metal, C38451-811
$62999

Sale

Was$69999

Save$7000(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 3000 Series 3 pc. Compressed Air Filter/Regulator/Lubricator Unit, Gauge, 3/4 in. NPT, Auto Drain, Metal, C38451-811

Item # 191466399

ARO ARO 3000 Series 3 pc. Compressed Air Filter/Regulator/Lubricator Unit, Gauge, 3/4 in. NPT, Auto Drain, Metal, C38451-811
ARO ARO 3000 Series 3 pc. Compressed Air Filter/Regulator/Lubricator Unit, Gauge, 3/4 in. NPT, Auto Drain, Metal, C38451-811

$62999

Sale

Was$69999

Save$7000(10%)

or
or
financeCard Logo
$35/mo.† suggested payments with 18 Months Financing or earn $31 in Rewards+ on this purchase.
Valid 8/24/2026 - 9/7/2026

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

Install the ARO 3000 Series 3 pc. Compressed Air Filter, Regulator and Lubricator Combination Unit with Gauge. Filters, regulators, lubricators, and piggybacks can be combined together easily. Such combinations are typically strung together in the F+R+L arrangement (three piece combination filter, regulator, and lubricator) and F/R+L (two piece combo) arrangement, although other configurations are also used depending on application needs. You can easily assemble this combination FRL using modular spacer kits, saving you time and money. This particular air compressor filter has a built-in gauge and auto drain to meet your needs.

For additional information on this product, please see the Product Documents section for all downloadable user manuals, installation guides, brochures and warranty statements.

Looking for more information on truck accessories? Check out our guide on truck accessories in the product documents section.

  • Built with an easy to operate auto drain
  • Metal bowl with sight glass is made to last
  • Panel nuts are not included with combination filter, regulator, and lubricator and must be ordered separately
  • Relieving with gauge for convenience
  • Port size: NPT 3/4 in.
  • Easily assemble the combination FRL using modular spacer kits
BrandARO
Country of OriginImported
CompatibilityUniversal to air compressors and air tools
Filter Efficiency5 micron filter element
Filtration MaterialResin
Inlet Size3/4 in. NPT
Inlet TypeNPT
Package Quantity1
Product Height11.68 in.
Product Length11.1 in.
Product Weight9.76 lb.
Product Width4.28 in.
Manufacturer Part NumberC38451-811
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. ARO 3000 Series 3 pc. Compressed Air Filter/Regulator/Lubricator Unit, Gauge, 1 in. NPT, Auto Drain, Metal Bowl, C38461-811
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ARO 3000 Series 3 pc. Compressed Air Filter/Regulator/Lubricator Unit, Gauge, 1 in. NPT, Auto Drain, Metal Bowl, C38461-811

    $629.99
    Was $699.99Save $70.00
  2. ARO 1500 Series 3 pc. Compressed Air Filter/Regulator/Lubricator Unit, Gauge, 1/4 in. NPT, Auto Drain, Metal, C38221-811
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ARO 1500 Series 3 pc. Compressed Air Filter/Regulator/Lubricator Unit, Gauge, 1/4 in. NPT, Auto Drain, Metal, C38221-811

    $305.99
    Was $339.99Save $34.00
  3. ARO 1500 Series 3 pc. Compressed Air Filter, Regulator/Lubricator Unit, Gauge, 3/8 in. NPT, Auto Drain, Poly, C38231-801
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ARO 1500 Series 3 pc. Compressed Air Filter, Regulator/Lubricator Unit, Gauge, 3/8 in. NPT, Auto Drain, Poly, C38231-801

    $269.99
    Was $299.99Save $30.00
  4. ARO 3 pc. Compressed Air Filter/Regulator/Lubricator Unit with Gauge, 3/8 in. NPT, Auto Drain, Metal Bowl, C38231-811
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ARO 3 pc. Compressed Air Filter/Regulator/Lubricator Unit with Gauge, 3/8 in. NPT, Auto Drain, Metal Bowl, C38231-811

    $305.99
    Was $339.99Save $34.00
  5. ARO 3000 Series 2 pc. Compressed Air Filter/Regulator/Lubricator Unit, Gauge, 3/4 in. NPT, Manual Drain, Metal, C38451-610
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ARO 3000 Series 2 pc. Compressed Air Filter/Regulator/Lubricator Unit, Gauge, 3/4 in. NPT, Manual Drain, Metal, C38451-610

    $539.99
    Was $599.99Save $60.00
  6. ARO 1000 Series 2 pc. Compressed Air Filter/Regulator/Lubricator Unit, Gauge, 3/8 in. NPT, Auto Drain, Metal, C38231-611
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ARO 1000 Series 2 pc. Compressed Air Filter/Regulator/Lubricator Unit, Gauge, 3/8 in. NPT, Auto Drain, Metal, C38231-611

    $305.99
    Was $339.99Save $34.00
  7. ARO 2000 Series 2 pc. Compressed Air Filter/Regulator/Lubricator Unit with Gauge, 3/4 in. NPT, Auto Drain, Poly, C38351-600
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ARO 2000 Series 2 pc. Compressed Air Filter/Regulator/Lubricator Unit with Gauge, 3/4 in. NPT, Auto Drain, Poly, C38351-600

    $305.99
    Was $339.99Save $34.00
  8. ARO 1500 Series 3 pc. Compressed Air Filter/Regulator/Lubricator Unit, Gauge, 3/8 in. NPT, Manual Drain, Metal, C38231-810
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ARO 1500 Series 3 pc. Compressed Air Filter/Regulator/Lubricator Unit, Gauge, 3/8 in. NPT, Manual Drain, Metal, C38231-810

    $269.99
    Was $299.99Save $30.00
  9. ARO 2000 Series 2 pc. Compressed Air Filter/Regulator/Lubricator Unit, Gauge, 3/8 in. NPT, Auto Drain, Poly Bowl, C38331-601
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ARO 2000 Series 2 pc. Compressed Air Filter/Regulator/Lubricator Unit, Gauge, 3/8 in. NPT, Auto Drain, Poly Bowl, C38331-601

    $341.99
    Was $379.99Save $38.00
  10. ARO 2000 Series 2 pc. Compressed Air Filter/Regulator/Lubricator Unit, Gauge, 3/8 in. NPT, Auto Drain, Metal, C38331-611
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ARO 2000 Series 2 pc. Compressed Air Filter/Regulator/Lubricator Unit, Gauge, 3/8 in. NPT, Auto Drain, Metal, C38331-611

    $359.99
    Was $399.99Save $40.00
  11. ARO 1500 Series 2 pc. Compressed Air Filter/Regulator/Lubricator Unit, Gauge, 1/4 in. NPT, Auto Drain, Metal, C38221-611
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ARO 1500 Series 2 pc. Compressed Air Filter/Regulator/Lubricator Unit, Gauge, 1/4 in. NPT, Auto Drain, Metal, C38221-611

    $305.99
    Was $339.99Save $34.00
  12. ARO 1000 Series 3 pc. Compressed Air Filter/Regulator/Lubricator Unit with Gauge, Auto Drain, Poly Bowl, C38121-801
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ARO 1000 Series 3 pc. Compressed Air Filter/Regulator/Lubricator Unit with Gauge, Auto Drain, Poly Bowl, C38121-801

    $161.99
    Was $179.99Save $18.00

Items You May Like

  1. 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
  2. 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
  3. ARO 1/2 in. Regulator
    4.2 out of 5 stars with 51 reviews
    4.2 (51)

    ARO 1/2 in. Regulator

    $114.99
  4. Top Rated
    Ingersoll Rand 1 pt. Premium Grade Air Tool Lubricant
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

    Ingersoll Rand 1 pt. Premium Grade Air Tool Lubricant

    $14.99
  5. Ingersoll Rand 7.5 hp 80 gal. 2-Stage Premium Package Air Compressor, 175 PSI, 230V, 1-Phase
    3.8 out of 5 stars with 5 reviews
    3.8 (5)

    Ingersoll Rand 7.5 hp 80 gal. 2-Stage Premium Package Air Compressor, 175 PSI, 230V, 1-Phase

    $4,429.99
  6. ARO 1/2 in. Filter and Regulator
    4.2 out of 5 stars with 133 reviews
    4.2 (133)

    ARO 1/2 in. Filter and Regulator

    $164.99
  7. ARO 3/4 in. NPT 2000 Series Compressed Air Filter/Regulator/Lubricator Unit with Gauge, Auto Drain, Metal, 2 pc., C38351-811
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ARO 3/4 in. NPT 2000 Series Compressed Air Filter/Regulator/Lubricator Unit with Gauge, Auto Drain, Metal, 2 pc., C38351-811

    $395.99
    Was $439.99Save $44.00
  8. ARO 3/8 in. NPT 1500 Series Combination 2 pc. Air Compressor Filter, Regulator & Lubricator with Gauge, Auto Drain
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ARO 3/8 in. NPT 1500 Series Combination 2 pc. Air Compressor Filter, Regulator & Lubricator with Gauge, Auto Drain

    $269.99
    Was $299.99Save $30.00
  9. ARO 3/8 in. NPT 2000 Series Compressed Air Filter/Regulator/Lubricator Unit, Gauge, Manual Drain, Metal, 3 pc.
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ARO 3/8 in. NPT 2000 Series Compressed Air Filter/Regulator/Lubricator Unit, Gauge, Manual Drain, Metal, 3 pc.

    $305.99
    Was $339.99Save $34.00
  10. ARO 3/8 in. NPT 2000 Series Compressed Air Filter/Regulator/Lubricator Unit, Gauge, Manual Drain, Poly, 2 pc.
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ARO 3/8 in. NPT 2000 Series Compressed Air Filter/Regulator/Lubricator Unit, Gauge, Manual Drain, Poly, 2 pc.

    $269.99
    Was $299.99Save $30.00
  11. ARO 1000 Series 2 pc. Compressed Air Filter/Regulator/Lubricator Unit, Gauge, 1/4 in. NPT, Manual Drain, Metal, C38121-620
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ARO 1000 Series 2 pc. Compressed Air Filter/Regulator/Lubricator Unit, Gauge, 1/4 in. NPT, Manual Drain, Metal, C38121-620

    $161.99
    Was $179.99Save $18.00
  12. ARO 1001 Series 3 pc. Filter/Regulator/Lubricator Combination Unit
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ARO 1001 Series 3 pc. Filter/Regulator/Lubricator Combination Unit

    $152.99
    Was $169.99Save $17.00

Customers Also Bought

  1. ARO 3/8 in. NPT 2000 Series Compressed Air Filter/Regulator/Lubricator Unit, Gauge, Auto Drain, Metal, 3 pc.,C38331-811
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ARO 3/8 in. NPT 2000 Series Compressed Air Filter/Regulator/Lubricator Unit, Gauge, Auto Drain, Metal, 3 pc.,C38331-811

    $359.99
    Was $399.99Save $40.00
  2. ARO 1500 Series 3 pc. Compressed Air Filter/Regulator/Lubricator Unit, Gauge, 3/8 in. NPT, Manual Drain, Poly, C38231-800
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ARO 1500 Series 3 pc. Compressed Air Filter/Regulator/Lubricator Unit, Gauge, 3/8 in. NPT, Manual Drain, Poly, C38231-800

    $269.99
    Was $299.99Save $30.00
  3. ARO 2000 Series 2 pc. Compressed Air Filter/Regulator/Lubricator Unit, Gauge, 1/2 in. NPT, Auto Drain, Metal, C38341-601
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ARO 2000 Series 2 pc. Compressed Air Filter/Regulator/Lubricator Unit, Gauge, 1/2 in. NPT, Auto Drain, Metal, C38341-601

    $341.99
    Was $379.99Save $38.00
  4. ARO 1500 Series 2 pc. Compressed Air Filter/Regulator/Lubricator Unit, Gauge, 1/4 in. NPT, Auto Drain, Poly Bowl, C38221-601
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ARO 1500 Series 2 pc. Compressed Air Filter/Regulator/Lubricator Unit, Gauge, 1/4 in. NPT, Auto Drain, Poly Bowl, C38221-601

    $269.99
    Was $299.99Save $30.00
  5. ARO 2000 Series 2 pc. Compressed Air Filter/Regulator/Lubricator Unit with Gauge, 3/4 in. NPT, Auto Drain, Poly, C38351-611
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ARO 2000 Series 2 pc. Compressed Air Filter/Regulator/Lubricator Unit with Gauge, 3/4 in. NPT, Auto Drain, Poly, C38351-611

    $359.99
    Was $399.99Save $40.00
  6. ARO 3000 Series Compressed Air Filter, 1 in. NPT, Auto Drain, Metal Bowl with Sight Glass, 5 Microns, F35461-411
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ARO 3000 Series Compressed Air Filter, 1 in. NPT, Auto Drain, Metal Bowl with Sight Glass, 5 Microns, F35461-411

    $251.99
    Was $279.99Save $28.00
  7. ARO 2000 Series Combination 3 pc. Air Compressor Filter, Regulator and Lubricator Set, Auto Drain
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ARO 2000 Series Combination 3 pc. Air Compressor Filter, Regulator and Lubricator Set, Auto Drain

    $359.99
    Was $399.99Save $40.00
  8. Top Rated
    ARO 1/2 in. NPT 2000 Series Combination Air Compressor Filter, Regulator and Lubricator, Auto Drain, 3 pc.
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

    ARO 1/2 in. NPT 2000 Series Combination Air Compressor Filter, Regulator and Lubricator, Auto Drain, 3 pc.

    $359.99
    Was $399.99Save $40.00
  9. ARO 3/4 in. NPT 3000 Series Standard Air Compressor Filter, Auto Drain, Metal Bowl with Sight Glass
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ARO 3/4 in. NPT 3000 Series Standard Air Compressor Filter, Auto Drain, Metal Bowl with Sight Glass

    $251.99
    Was $279.99Save $28.00
  10. ARO 1500 Series 2 pc. Compressed Air Filter/Regulator/Lubricator Unit, Gauge, 1/4 in. NPT, Manual Drain, Poly, C38221-600
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ARO 1500 Series 2 pc. Compressed Air Filter/Regulator/Lubricator Unit, Gauge, 1/4 in. NPT, Manual Drain, Poly, C38221-600

    $269.99
    Was $299.99Save $30.00
  11. ARO 3/4 in. NPT 3000 Series Compressed Air Filter, Manual Drain, 5 Microns
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ARO 3/4 in. NPT 3000 Series Compressed Air Filter, Manual Drain, 5 Microns

    $179.99
    Was $199.99Save $20.00
  12. ARO 1/4 in. NPT 1500 Series Standard Air Compressor Filter, Auto Drain, Metal Bowl with Sight Glass
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ARO 1/4 in. NPT 1500 Series Standard Air Compressor Filter, Auto Drain, Metal Bowl with Sight Glass

    $89.99
    Was $99.99Save $10.00

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.