1981 Mack RL Car Parts & Accessories

You have come to the right place if you need new or replacement parts for your 1981 RL. Advance Auto carries over 107 aftermarket parts for your 1981 Mack RL, along with original equipment manufacturer (OEM) parts. You will find amazing prices on 1981 RL Exhaust Parts and Lighting Products. Plus, our selection of 1981 Batteries and Chargers for your RL are some of the lowest in the market.

Find replacement parts and upgrades for your 1981 Mack RL. Use our customer reviews of Belts and Hoses parts and others, along with user ratings on the many of the products we offer. You won’t find an easier way to shop for 1981 Mack RL performance parts, 1981 Mack RL body parts, interior components, or any type of part for that matter. Get your RL upgraded or back in pristine shape by shopping Advance Auto Parts.

Best-Selling Filters and PCVs for your 1981 Mack RL

Upgrade your 1981 Mack RL with one of the 5 best-selling parts in stock, starting at just $26.99.

Carquest Premium – Full-Flow Lube Spin-on (Part No.85791)

Full-Flow Lube Spin-on

from

$27.99
Carquest spin-on lube filters protect your engine from wear particles that can otherwise lead to premature parts failure.

Product Features:
  • Designed to meet or exceed OE filter performance levels over the entire OE recommended service interval.
  • Made in USA
See More

Carquest Premium – Severe Service Full-Flow Lube Spin-on (Part No.85791XD)

Severe Service Full-Flow Lube Spin-on

from

$33.49
Carquest spin-on lube filters protect your engine from wear particles that can otherwise lead to premature parts failure.

Product Features:
  • Designed to meet or exceed OE filter performance levels over the entire OE recommended service interval.
  • Made in USA
See More

Carquest Premium – Fuel/Water Separator Spin-on with Drain (Part No.86419)

Fuel/Water Separator Spin-on with Drain

from

$53.99
Modern fuel injection systems require fuel be free of both particulate and water contamination. Carquest spin-on fuel filters keep fuel clean and engines running at maximum efficiency.

Product Features:
  • Designed to meet or exceed OE filter performance levels over the entire OE recommended service interval.
  • Application engineered media which aids in stripping water in diesel fuels
  • Patent pending drain, metal end caps, which hold media in place
  • Rust resistant can, ensuring no leakage from inside
  • Made in USA
  • Includes Integral Post Seal
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Carquest Premium – Primary Fuel Spin-on (Part No.86219)

Primary Fuel Spin-on

from

$27.49
Modern fuel injection systems require fuel be free of both particulate and water contamination. Carquest spin-on fuel filters keep fuel clean and engines running at maximum efficiency.

Product Features:
  • Designed to meet or exceed OE filter performance levels over the entire OE recommended service interval.
  • Made in USA
  • Includes Integral Post Seal
See More

Carquest Premium – Secondary Fuel Spin-on (Part No.86218)

Secondary Fuel Spin-on

from

$26.99
Modern fuel injection systems require fuel be free of both particulate and water contamination. Carquest spin-on fuel filters keep fuel clean and engines running at maximum efficiency.

Product Features:
  • Designed to meet or exceed OE filter performance levels over the entire OE recommended service interval.
  • Made in USA
  • Includes Integral Post Seal
See More

Most Popular 1981 Mack RL Belts and Hoses

Improve your RL’s performance by choosing from our wide selection of 34 OEM and aftermarket auto parts specifically for your 1981 Mack RL.

Dayco – V-Belt, Top Cog, Dayco (Part No.17415)

V-Belt, Top Cog, Dayco

from

$15.49
Dayco® High Performance V-Belt is the workhorse of the heavy-duty industry. Polyester cord provides maximum power transfer and tension holding capability for the life of the belt. The laminated construction helps absorb greater shock loads associated with diesel engines. These Dayco® High Performance V-Belt advantages translate into less downtime, lower maintenance costs, and increased dependability. Dayco’s High Performance V-Belt meets or exceeds SAE J636 and J637 specifications.

Product Features:
  • The High Performance V-Belt design delivers more flexibility and increases airflow around the belt, so it runs cooler and lasts longer than most competitive belts
  • Polyester cord provides maximum power transfer and tension holding capability for the life of the belt
  • The laminated construction helps absorb greater shock loads associated with diesel engines
  • Made with specially formulated rubber compounds, this belt is highly resistant to extreme under hood temperatures that can cause premature damage to under engineered rubber compounds
See More

Dayco – Straight Radiator Hoses; EPDM Rubber, 1 1/2 Inch Inner Diameter (Sold by inch) (Part No.76150)

Straight Radiator Hoses; EPDM Rubber, 1 1/2 Inch Inner Diameter (Sold by inch)

from

$1.29
The Dayco Straight Radiator Hose is designed for a wide range of light and heavy duty truck applications where the radiator hose routing is relatively straight. Note: This hose is NOT suitable for fuel or oil transfer.

Product Features:
  • Meets SAE J20R4, Class D-2 requirements
  • Features a high strength knitted reinforcement and synthetic EPDM rubber construction
  • Resistant to standard coolants, ozone and other detrimental environmental elements
  • PLEASE NOTE: Priced and sold by inch. See store for details.
See More

Dayco – Bottom Cog V-Belt; 65 Inch Long, Exact Fit Premium Quality (Part No.17650)

Bottom Cog V-Belt; 65 Inch Long, Exact Fit Premium Quality

from

$31.49
Dayco’s high performance HD V-belt is one of the most innovative, top performing belts for its application. By combining raw-edge construction with a specially formulated polyester cord treatment, it offers excellent resistance to repeated flexing and protection against heat, oil and grease as well as the strength, stability and reliability required for vehicles that still need a heavy-duty V-belt.

Product Features:
  •  Designed for efficient power transmission to vehicle accessories in today’s trucks and buses
  •  Provides greater durability and flexibility – 35% stronger than all previous versions
  •  Features specially treated cords for added strength, stability and reliability
  • Made with specially formulated rubber compounds, this belt is highly resistant to extreme under hood temperatures that can cause premature damage to under engineered rubber compounds
See More

Gates – FLEETRUNNER BELTS (Part No.9650HD)

FLEETRUNNER BELTS

from

$47.99
Designed for the toughest applications, FleetRunner construction provides superior flexibility, stability, load capacity, and unsurpassed belt life. Patented materials deliver peak performance at extreme prolonged operating temperatures making this belt the ultimate problem solver. An advanced blend of EPDM rubber technology withstands the modern threats of deterioration from increased exposure to ozone and water-based coolants. FleetRunner does this all while providing the lowest cost per mile for fleets, including 3/4 and 1 ton pickups.

Product Features:
  • Heavy-Duty construction resists cracking and wear
  • Oil and heat resistant
  • Outperforms the competition on the most troublesome drives
  • Patented EPDM construction with distinct green gum back
See More

Gates – FleetRunner« Heavy-Duty V-Belt (Part No.9415HD)

FleetRunner« Heavy-Duty V-Belt

from

$38.99
Designed for the toughest applications, FleetRunner construction provides superior flexibility, stability, load capacity, and unsurpassed belt life. Patented materials deliver peak performance at extreme prolonged operating temperatures making this belt the ultimate problem solver. An advanced blend of EPDM rubber technology withstands the modern threats of deterioration from increased exposure to ozone and water-based coolants. FleetRunner does this all while providing the lowest cost per mile for fleets, including 3/4 and 1 ton pickups.

Product Features:
  • Patented material provides peak performance at extremely prolonged operating temperatures
  • Heavy-duty construction resists cracking, wear, oil and heat
  • Special compound provides unmatched stability, load carrying capacity and belt life
  • Unique undercord notch pattern offers increased flexibility for smaller diameter pulleys
  • Problem solver for troubled drives
  • Engineered to save your fleet money and reduce downtime
  • Meets RMA oil and heat resistant standards and static conductivity requirements
See More

Gates – FleetRunner« Heavy-Duty V-Belt (Part No.9610HD)

FleetRunner« Heavy-Duty V-Belt

from

$43.99
Designed for the toughest applications, FleetRunner construction provides superior flexibility, stability, load capacity, and unsurpassed belt life. Patented materials deliver peak performance at extreme prolonged operating temperatures making this belt the ultimate problem solver. An advanced blend of EPDM rubber technology withstands the modern threats of deterioration from increased exposure to ozone and water-based coolants. FleetRunner does this all while providing the lowest cost per mile for fleets, including 3/4 and 1 ton pickups.

Product Features:
  • Patented material provides peak performance at extremely prolonged operating temperatures
  • Heavy-duty construction resists cracking, wear, oil and heat
  • Special compound provides unmatched stability, load carrying capacity and belt life
  • Unique undercord notch pattern offers increased flexibility for smaller diameter pulleys
  • Problem solver for troubled drives
  • Engineered to save your fleet money and reduce downtime
  • Meets RMA oil and heat resistant standards and static conductivity requirements
See More

Gates – FleetRunner« Heavy-Duty V-Belt (Part No.9530HD)

FleetRunner« Heavy-Duty V-Belt

from

$50.99
Designed for the toughest applications, FleetRunner construction provides superior flexibility, stability, load capacity, and unsurpassed belt life. Patented materials deliver peak performance at extreme prolonged operating temperatures making this belt the ultimate problem solver. An advanced blend of EPDM rubber technology withstands the modern threats of deterioration from increased exposure to ozone and water-based coolants. FleetRunner does this all while providing the lowest cost per mile for fleets, including 3/4 and 1 ton pickups.

Product Features:
  • Patented material provides peak performance at extremely prolonged operating temperatures
  • Heavy-duty construction resists cracking, wear, oil and heat
  • Special compound provides unmatched stability, load carrying capacity and belt life
  • Unique undercord notch pattern offers increased flexibility for smaller diameter pulleys
  • Problem solver for troubled drives
  • Engineered to save your fleet money and reduce downtime
  • Meets RMA oil and heat resistant standards and static conductivity requirements
See More

Gates – Automotive XL« High Capacity V-Belt (Part No.9610)

Automotive XL« High Capacity V-Belt

from

$33.99
Replacement belt for the most demanding engine drives. Due to thermal forces, this variable notched belt actually tightens on the drive as it gets hot. This results in improved belt performance by reducing tension decay and noise.

Product Features:
  • Fiber-loaded rubber stock adds flexibility along the length of the belt and provides greater lateral stability in the pulley
  • Form-ground to ensure precise top width and sidewall dimensional control for proper fit to the pulley
  • Thermally-active tensile cords for maintenance-free performance when properly installed and tensioned
  • Resists oil, heat, ozone, weather and aging for improved belt life
  • Meets or exceeds SAE J636C specifications
See More

Dayco – Straight Radiator Hoses; EPDM Rubber, 36" Long, 1 1/4" Inner Dia. (Part No.76125)

Straight Radiator Hoses; EPDM Rubber, 36" Long, 1 1/4" Inner Dia.

from

$0.99
The Dayco Straight Radiator Hose is designed for a wide range of light and heavy-duty truck applications where the radiator hose routing is relatively straight. Note: This hose is NOT suitable for fuel or oil transfer.

Product Features:
  • Meets SAE J20R4, Class D-2 requirements.
  • Features a high strength knitted reinforcement and synthetic EPDM rubber construction
  • Resistant to standard coolants, ozone and other detrimental environmental elements
See More

Gates – FleetRunner« Heavy-Duty V-Belt (Part No.9640HD)

FleetRunner« Heavy-Duty V-Belt

from

$46.99
Designed for the toughest applications, FleetRunner construction provides superior flexibility, stability, load capacity, and unsurpassed belt life. Patented materials deliver peak performance at extreme prolonged operating temperatures making this belt the ultimate problem solver. An advanced blend of EPDM rubber technology withstands the modern threats of deterioration from increased exposure to ozone and water-based coolants. FleetRunner does this all while providing the lowest cost per mile for fleets, including 3/4 and 1 ton pickups.

Product Features:
  • Patented material provides peak performance at extremely prolonged operating temperatures
  • Heavy-duty construction resists cracking, wear, oil and heat
  • Special compound provides unmatched stability, load carrying capacity and belt life
  • Unique undercord notch pattern offers increased flexibility for smaller diameter pulleys
  • Problem solver for troubled drives
  • Engineered to save your fleet money and reduce downtime
  • Meets RMA oil and heat resistant standards and static conductivity requirements
See More

Gates – FleetRunner« Heavy-Duty V-Belt (Part No.9400HD)

FleetRunner« Heavy-Duty V-Belt

from

$40.99
Designed for the toughest applications, FleetRunner construction provides superior flexibility, stability, load capacity, and unsurpassed belt life. Patented materials deliver peak performance at extreme prolonged operating temperatures making this belt the ultimate problem solver. An advanced blend of EPDM rubber technology withstands the modern threats of deterioration from increased exposure to ozone and water-based coolants. FleetRunner does this all while providing the lowest cost per mile for fleets, including 3/4 and 1 ton pickups.

Product Features:
  • Patented material provides peak performance at extremely prolonged operating temperatures
  • Heavy-duty construction resists cracking, wear, oil and heat
  • Special compound provides unmatched stability, load carrying capacity and belt life
  • Unique undercord notch pattern offers increased flexibility for smaller diameter pulleys
  • Problem solver for troubled drives
  • Engineered to save your fleet money and reduce downtime
  • Meets RMA oil and heat resistant standards and static conductivity requirements
See More

Gates – Automotive XL« High Capacity V-Belt (Part No.9670)

Automotive XL« High Capacity V-Belt

from

$42.49
Replacement belt for the most demanding engine drives. Due to thermal forces, this variable notched belt actually tightens on the drive as it gets hot. This results in improved belt performance by reducing tension decay and noise.

Product Features:
  • Fiber-loaded rubber stock adds flexibility along the length of the belt and provides greater lateral stability in the pulley
  • Form-ground to ensure precise top width and sidewall dimensional control for proper fit to the pulley
  • Thermally-active tensile cords for maintenance-free performance when properly installed and tensioned
  • Resists oil, heat, ozone, weather and aging for improved belt life
  • Meets or exceeds SAE J636C specifications
See More

Gates – Automotive XL« High Capacity V-Belt (Part No.9640)

Automotive XL« High Capacity V-Belt

from

$34.99
Replacement belt for the most demanding engine drives. Due to thermal forces, this variable notched belt actually tightens on the drive as it gets hot. This results in improved belt performance by reducing tension decay and noise.

Product Features:
  • Fiber-loaded rubber stock adds flexibility along the length of the belt and provides greater lateral stability in the pulley
  • Form-ground to ensure precise top width and sidewall dimensional control for proper fit to the pulley
  • Thermally-active tensile cords for maintenance-free performance when properly installed and tensioned
  • Resists oil, heat, ozone, weather and aging for improved belt life
  • Meets or exceeds SAE J636C specifications
See More

Gates – Automotive XL« High Capacity V-Belt (Part No.9650)

Automotive XL« High Capacity V-Belt

from

$35.99
Replacement belt for the most demanding engine drives. Due to thermal forces, this variable notched belt actually tightens on the drive as it gets hot. This results in improved belt performance by reducing tension decay and noise.

Product Features:
  • Fiber-loaded rubber stock adds flexibility along the length of the belt and provides greater lateral stability in the pulley
  • Form-ground to ensure precise top width and sidewall dimensional control for proper fit to the pulley
  • Thermally-active tensile cords for maintenance-free performance when properly installed and tensioned
  • Resists oil, heat, ozone, weather and aging for improved belt life
  • Meets or exceeds SAE J636C specifications
See More

Gates – Automotive XL« High Capacity V-Belt (Part No.9400)

Automotive XL« High Capacity V-Belt

from

$30.49
Replacement belt for the most demanding engine drives. Due to thermal forces, this variable notched belt actually tightens on the drive as it gets hot. This results in improved belt performance by reducing tension decay and noise.

Product Features:
  • Fiber-loaded rubber stock adds flexibility along the length of the belt and provides greater lateral stability in the pulley
  • Form-ground to ensure precise top width and sidewall dimensional control for proper fit to the pulley
  • Thermally-active tensile cords for maintenance-free performance when properly installed and tensioned
  • Resists oil, heat, ozone, weather and aging for improved belt life
  • Meets or exceeds SAE J636C specifications
See More

Gates – FleetRunner« Heavy-Duty V-Belt (Part No.9730HD)

FleetRunner« Heavy-Duty V-Belt

from

$66.99
Designed for the toughest applications, FleetRunner construction provides superior flexibility, stability, load capacity, and unsurpassed belt life. Patented materials deliver peak performance at extreme prolonged operating temperatures making this belt the ultimate problem solver. An advanced blend of EPDM rubber technology withstands the modern threats of deterioration from increased exposure to ozone and water-based coolants. FleetRunner does this all while providing the lowest cost per mile for fleets, including 3/4 and 1 ton pickups.

Product Features:
  • Patented material provides peak performance at extremely prolonged operating temperatures
  • Heavy-duty construction resists cracking, wear, oil and heat
  • Special compound provides unmatched stability, load carrying capacity and belt life
  • Unique undercord notch pattern offers increased flexibility for smaller diameter pulleys
  • Problem solver for troubled drives
  • Engineered to save your fleet money and reduce downtime
  • Meets RMA oil and heat resistant standards and static conductivity requirements
See More

Gates – Automotive XL« High Capacity V-Belt (Part No.9730)

Automotive XL« High Capacity V-Belt

from

$61.99
Replacement belt for the most demanding engine drives. Due to thermal forces, this variable notched belt actually tightens on the drive as it gets hot. This results in improved belt performance by reducing tension decay and noise.

Product Features:
  • Fiber-loaded rubber stock adds flexibility along the length of the belt and provides greater lateral stability in the pulley
  • Form-ground to ensure precise top width and sidewall dimensional control for proper fit to the pulley
  • Thermally-active tensile cords for maintenance-free performance when properly installed and tensioned
  • Resists oil, heat, ozone, weather and aging for improved belt life
  • Meets or exceeds SAE J636C specifications
See More

Gates – FleetRunner« Heavy-Duty V-Belt (Part No.9660HD)

FleetRunner« Heavy-Duty V-Belt

from

$47.99
Designed for the toughest applications, FleetRunner construction provides superior flexibility, stability, load capacity, and unsurpassed belt life. Patented materials deliver peak performance at extreme prolonged operating temperatures making this belt the ultimate problem solver. An advanced blend of EPDM rubber technology withstands the modern threats of deterioration from increased exposure to ozone and water-based coolants. FleetRunner does this all while providing the lowest cost per mile for fleets, including 3/4 and 1 ton pickups.

Product Features:
  • Patented material provides peak performance at extremely prolonged operating temperatures
  • Heavy-duty construction resists cracking, wear, oil and heat
  • Special compound provides unmatched stability, load carrying capacity and belt life
  • Unique undercord notch pattern offers increased flexibility for smaller diameter pulleys
  • Problem solver for troubled drives
  • Engineered to save your fleet money and reduce downtime
  • Meets RMA oil and heat resistant standards and static conductivity requirements
See More

Gates – FleetRunner« Heavy-Duty V-Belt (Part No.9670HD)

FleetRunner« Heavy-Duty V-Belt

from

$46.99
Designed for the toughest applications, FleetRunner construction provides superior flexibility, stability, load capacity, and unsurpassed belt life. Patented materials deliver peak performance at extreme prolonged operating temperatures making this belt the ultimate problem solver. An advanced blend of EPDM rubber technology withstands the modern threats of deterioration from increased exposure to ozone and water-based coolants. FleetRunner does this all while providing the lowest cost per mile for fleets, including 3/4 and 1 ton pickups.

Product Features:
  • Patented material provides peak performance at extremely prolonged operating temperatures
  • Heavy-duty construction resists cracking, wear, oil and heat
  • Special compound provides unmatched stability, load carrying capacity and belt life
  • Unique undercord notch pattern offers increased flexibility for smaller diameter pulleys
  • Problem solver for troubled drives
  • Engineered to save your fleet money and reduce downtime
  • Meets RMA oil and heat resistant standards and static conductivity requirements
See More

Gates – Green Stripe« Heavy-Duty Vulco-Flex« Coolant Hose (Part No.26511)

Green Stripe« Heavy-Duty Vulco-Flex« Coolant Hose

from

$45.49
Heavy-duty flexible hose designed to replace straight or curved coolant hoses. The benefit is maximum coverage with minimum inventory. Hose inside diameter remains constant from end to end. No convolutions inside hose so tube is smooth, allowing free coolant flow. Approved for marine applications.

Product Features:
  • Engineered to resist electrochemical degradation, the leading cause of hose failure
  • Built-in steel spiral wire allows for medium sized curves without kinking or collapsing
  • EPDM tube and Neoprene cover for extended service life
  • Polyester fabric-ply reinforcement vulcanizes into shape without unnecessary strain on connections
  • Resistant to heat, oil and ozone
  • Performs to SAE 20R5 Type EC Class D-2 specifications
  • Temperature Range: -40 Deg. F to +257 Deg. F (-40 Deg. C to +125 Deg. C)
  • Caution: Do not use for fuel or oil transfer applications
  • Caution: Do not use for fuel or oil transfer applications.
See More

Gates – FleetRunner« Heavy-Duty V-Belt (Part No.9390HD)

FleetRunner« Heavy-Duty V-Belt

from

$41.99
Designed for the toughest applications, FleetRunner construction provides superior flexibility, stability, load capacity, and unsurpassed belt life. Patented materials deliver peak performance at extreme prolonged operating temperatures making this belt the ultimate problem solver. An advanced blend of EPDM rubber technology withstands the modern threats of deterioration from increased exposure to ozone and water-based coolants. FleetRunner does this all while providing the lowest cost per mile for fleets, including 3/4 and 1 ton pickups.

Product Features:
  • Patented material provides peak performance at extremely prolonged operating temperatures
  • Heavy-duty construction resists cracking, wear, oil and heat
  • Special compound provides unmatched stability, load carrying capacity and belt life
  • Unique undercord notch pattern offers increased flexibility for smaller diameter pulleys
  • Problem solver for troubled drives
  • Engineered to save your fleet money and reduce downtime
  • Meets RMA oil and heat resistant standards and static conductivity requirements
See More

Gates – Notched V-Belt: 53.61" Long, 1 Strand, Exact Fit (Part No.9530)

Notched V-Belt: 53.61" Long, 1 Strand, Exact Fit

from

$37.49
Replacement belt for the most demanding engine drives. Due to thermal forces, this variable notched belt actually tightens on the drive as it gets hot. This results in improved belt performance by reducing tension decay and noise.

Product Features:
  • Fiber-loaded rubber stock adds flexibility along the length of the belt and provides greater lateral stability in the pulley
  • Form-ground to ensure precise top width and sidewall dimensional control for proper fit to the pulley
  • Thermally-active tensile cords for maintenance-free performance when properly installed and tensioned
  • Resists oil, heat, ozone, weather and aging for improved belt life
  • Meets or exceeds SAE J636C specifications
See More

Gates – Automotive XL« High Capacity V-Belt (Part No.9660)

Automotive XL« High Capacity V-Belt

from

$36.99
Replacement belt for the most demanding engine drives. Due to thermal forces, this variable notched belt actually tightens on the drive as it gets hot. This results in improved belt performance by reducing tension decay and noise.

Product Features:
  • Fiber-loaded rubber stock adds flexibility along the length of the belt and provides greater lateral stability in the pulley
  • Form-ground to ensure precise top width and sidewall dimensional control for proper fit to the pulley
  • Thermally-active tensile cords for maintenance-free performance when properly installed and tensioned
  • Resists oil, heat, ozone, weather and aging for improved belt life
  • Meets or exceeds SAE J636C specifications
See More

Gates – FleetRunner« Heavy-Duty V-Belt (Part No.9435HD)

FleetRunner« Heavy-Duty V-Belt

from

$32.99
Designed for the toughest applications, FleetRunner construction provides superior flexibility, stability, load capacity, and unsurpassed belt life. Patented materials deliver peak performance at extreme prolonged operating temperatures making this belt the ultimate problem solver. An advanced blend of EPDM rubber technology withstands the modern threats of deterioration from increased exposure to ozone and water-based coolants. FleetRunner does this all while providing the lowest cost per mile for fleets, including 3/4 and 1 ton pickups.

Product Features:
  • Patented material provides peak performance at extremely prolonged operating temperatures
  • Heavy-duty construction resists cracking, wear, oil and heat
  • Special compound provides unmatched stability, load carrying capacity and belt life
  • Unique undercord notch pattern offers increased flexibility for smaller diameter pulleys
  • Problem solver for troubled drives
  • Engineered to save your fleet money and reduce downtime
  • Meets RMA oil and heat resistant standards and static conductivity requirements
See More

Gates – Automotive XL« High Capacity V-Belt (Part No.9390)

Automotive XL« High Capacity V-Belt

from

$30.99
Replacement belt for the most demanding engine drives. Due to thermal forces, this variable notched belt actually tightens on the drive as it gets hot. This results in improved belt performance by reducing tension decay and noise.

Product Features:
  • Fiber-loaded rubber stock adds flexibility along the length of the belt and provides greater lateral stability in the pulley
  • Form-ground to ensure precise top width and sidewall dimensional control for proper fit to the pulley
  • Thermally-active tensile cords for maintenance-free performance when properly installed and tensioned
  • Resists oil, heat, ozone, weather and aging for improved belt life
  • Meets or exceeds SAE J636C specifications
See More

Gates – Automotive XL« High Capacity V-Belt (Part No.9415)

Automotive XL« High Capacity V-Belt

from

$29.49
Replacement belt for the most demanding engine drives. Due to thermal forces, this variable notched belt actually tightens on the drive as it gets hot. This results in improved belt performance by reducing tension decay and noise.

Product Features:
  • Fiber-loaded rubber stock adds flexibility along the length of the belt and provides greater lateral stability in the pulley
  • Form-ground to ensure precise top width and sidewall dimensional control for proper fit to the pulley
  • Thermally-active tensile cords for maintenance-free performance when properly installed and tensioned
  • Resists oil, heat, ozone, weather and aging for improved belt life
  • Meets or exceeds SAE J636C specifications
See More

Gates – Notched V-Belt: 44.12" Long, 1 Strand, Exact Fit (Part No.9435)

Notched V-Belt: 44.12" Long, 1 Strand, Exact Fit

from

$23.79
Notched V-Belt: 44.12" Long, 1 Strand, Exact Fit

Driveworks – Automotive V-Belt (Part No.41517)

Automotive V-Belt

from

$4.99
The Driveworks V-Belt is manufactured with top quality components to deliver the maximum power and performance on all passenger cars and light duty trucks in service today.

Product Features:
  • This belt is made with bottom cogs to provide the maximum flexibility and grip required on v-belt drives
  • Polyester cords provide extreme tension-holding capability for longer belt life
  • The raw edge belt design delivers the maximum gripping power
  • The highly engineered rubber compounds are resistant to under hood heat and ozone deterioration
See More

Gates – Green Stripe« Heavy-Duty Straight Heater Hose, sold by each (Part No.28441)

Green Stripe« Heavy-Duty Straight Heater Hose, sold by each

from

$4.79
Heavy-duty construction assures dependable operation in truck, bus and off-road equipment heater systems. For a maintenance free connection, install with Power-Grip SB clamps. Approved for marine applications.

Product Features:
  • Green Stripe construction provides best cost-per-mile economics
  • Abrasion-resistant cover
  • Engineered with materials to resist electrochemical degradation
  • Reduces water loss from water permeating the hose wall and cover
  • Exceeds SAE 20R1 Type EC (Class D-1 tube and cover Standard Wall)
  • Temperature Range: -40 Deg. F to +275 Deg. F (-40 Deg. C to +135 Deg. C)
  • Note: For a maintenance free connection, use PowerGrip SB clamps
  • Caution: Do not use for fuel or oil transfer applications
  • PLEASE NOTE: Item is priced and sold by the foot. See store for details.
See More

Dayco – Straight Radiator Hoses; EPDM Rubber, HD, 3 Inch Inner Dia. (Sold by foot) (Part No.77300GL)

Straight Radiator Hoses; EPDM Rubber, HD, 3 Inch Inner Dia. (Sold by foot)

from

$2.99
Designed for a wide range of heavy-duty truck applications where the routing is relatively straight, the Dayco straight radiator hose – H.D. is made with the highest quality woven mesh fabric reinforcement, neoprene cover and nitrile tube compounds to withstand the most corrosive elements in diesel engines. Providing protection from oil, coolants, coolant additives and heat, it has a temperature rating of -40?F (-40?C) to +212?F (+100?C).

Product Features:
  • Capable of withstanding extreme temperatures and high-pressure environments
  • Designed to meet SAE requirements J20R1, Class B Tube, Class C Cover, standard wall construction
  • Not suitable for fuel or oil transfer
  • PLEASE NOTE: Item is sold and priced by the foot. See store for details.
See More

Driveworks – Automotive V-Belt (Part No.65017)

Automotive V-Belt

from

$1.99
The Driveworks V-Belt is manufactured with top quality components to deliver the maximum power and performance on all passenger cars and light duty trucks in service today.

Product Features:
  • This belt is made with bottom cogs to provide the maximum flexibility and grip required on v-belt drives
  • Polyester cords provide extreme tension-holding capability for longer belt life
  • The raw edge belt design delivers the maximum gripping power
  • The highly engineered rubber compounds are resistant to under hood heat and ozone deterioration
See More

Dayco – Straight Radiator Hose, Standard (Sold by inch) (Part No.76250)

Straight Radiator Hose, Standard (Sold by inch)

from

$1.79
Designed for a wide range of light and heavy duty truck applications where the radiator hose routing is relatively straight, Dayco’s Straight Radiator Hose features knitted einforcement and synthetic EPDM rubber construction. It meets SAE J20R4, Class D-2 requirements and provides high strength and resistance to ozone and other detrimental environmental elements, coolants, and temperature variations from -40 Degree F (-40 Degree C) to +257 Degree F (+125 Degree C). Note: This hose is NOT suitable for fuel or oil transfer.

Product Features:
  • Meets SAE J20R4, Class D-2 requirements
  • Features a high strength knitted reinforcement and synthetic EPDM rubber construction
  • Resistant to standard coolants, ozone and other detrimental environmental elements
  • Works well in temperatures ranging from -40 Degree F (-40 Degree C) to +257 Degree F (+125 Degree C)
  • PLEASE NOTE: Priced and sold by inch. See store for details.
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Dayco – Straight Coolant Hose, Standard, I.D. 2" (Sold by inch) (Part No.76200)

Straight Coolant Hose, Standard, I.D. 2" (Sold by inch)

from

$1.79
Designed for a wide range of light and heavy duty truck applications where the radiator hose routing is relatively straight, Dayco’s Straight Radiator Hose features knitted einforcement and synthetic EPDM rubber construction. It meets SAE J20R4, Class D-2 requirements and provides high strength and resistance to ozone and other detrimental environmental elements, coolants, and temperature variations from -40 Degree F (-40 Degree C) to +257 Degree F (+125 Degree C). Note: This hose is NOT suitable for fuel or oil transfer.

Product Features:
  • Meets SAE J20R4, Class D-2 requirements
  • Features a high strength knitted reinforcement and synthetic EPDM rubber construction
  • Resistant to standard coolants, ozone and other detrimental environmental elements
  • Works well in temperatures ranging from -40 Degree F (-40 Degree C) to +257 Degree F (+125 Degree C)
  • PLEASE NOTE: Priced and sold by inch. See store for details.
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Gates – Green Stripe« 2-Ply Straight Coolant Hose, sold by each (Part No.24220)

Green Stripe« 2-Ply Straight Coolant Hose, sold by each

from

$1.49
Stick hose designed for demanding heavy-duty coolant/air applications. Approved for marine applications.

Product Features:
  • Cover marked in 1 in. increments to facilitate approximate cut lengths, allows ?custom-fit” installations
  • Engineered with compounds that resist electrochemical degradation
  • Approved for marine applications
  • Exceeds SAE 20R1 Type EC (Class D-1 Tube, and cover, Standard Wall)
  • Temperature Range: -40 Deg. F to +257 Deg. F (-40 Deg. C to +125 Deg. C)
  • Note: For a maintenance free connection, use PowerGrip SB clamps
  • Caution: Do not use for fuel or oil transfer applications
  • PLEASE NOTE: Item is priced and sold by the inch. See store for details.
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Top-Selling RL Cooling and Climate Controls

Shop now for the best auto parts and accessories for your 1981 RL, starting at $9.49, and ensure your Mack stays in top shape.

Carquest Premium – Standard Rotation Blower Motor Wheel (Part No.35608)

Standard Rotation Blower Motor Wheel

from

$24.99
High quality OE replacement part with all components needed to complete the job

Product Features:
  • Galvanized steel construction
  • Meets all requirements of international standard ISO 140
  • Suitable for a wide variety of applications
  • Set screw installation
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Carquest Premium – Coolant Spin-on with BTE Formula (Part No.89428)

Coolant Spin-on with BTE Formula

from

$28.99
CARQUEST HD coolant filters are designed to meet or exceed OE performance over the entire OE recommended service interval.

Product Features:
  • Standard life Spin-on coolant filter
  • Made in USA
  • Includes 10 Units BTE
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Gates – Heavy-Duty Engine Water Pump (Part No.43225HD)

Heavy-Duty Engine Water Pump

from

$228.99
Product Features:
  • Our heavy-duty water pump o+ering is designed to handle severe and rigorous conditions
  • 100 percent fully tested unitized bearings and seals
  • Computerized machined surfaces for proper fit and sealing
  • Gates heavy-duty water pumps are represented as a part number with an HD suffix
  • Warranty: 18 months or 150,000 miles/5,400 hours, whichever comes first
  • New pumps manufactured to ISO/TS 16949 standards
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Carquest Premium – Blower Motor: Without Wheel (Part No.35430)

Blower Motor: Without Wheel

from

$68.99
Carquest Premium Blower Motors are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile A/C experience, fix it once and fix it right with Carquest Premium Blower Motors. Meets or exceeds OE design. Magnetic size and properties compare or exceed OEM. Windings meet or exceed OEM Specifications. Motor RPM equivalent to or exceeds OEM motor.

Product Features:
  • Meets or exceeds OE design and performance
  • Magnetic size and properties compare or exceed OEM
  • Windings meet or exceed OEM specifications
  • Motor RPM equivalent to or exceeds OEM motor
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Carquest Premium – AC Pressure Switch (Part No.ACA1349)

AC Pressure Switch

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$60.99
The Premium CarQuest Vehicle Solutions line of vehicle electronics are designed for OE form, fit and function for both import and domestic vehicles. The A/C Pressure Switch monitors system pressures, aiding in proper and efficient control of the compresso

Product Features:
  • Designed and manufactured with high quality materials, industry leading electronic components and strict quality controls. Engineered to meet or exceed OE performance and to meet the uncompromising demands of service professionals.
  • Direct fit replacement matches proper OE fit, form, and function and ensures trouble free installation of your A/C Pressure Switch.
  • All units are tested using advanced end-of-line equipment that pressurize the A/C Pressure Switch, confirm proper calibration and functionality, and check for leaks to ensure each A/C Pressure Switch meets manufacturing specifications before packaging.
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Carquest Premium – HVAC Blower Fan Switch (Part No.ACA1262)

HVAC Blower Fan Switch

from

$9.49
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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In-Demand Wipers and Related Products for the Mack RL

Choose from 1 high-quality Wipers and Related Products for your 1981 Mack RL priced between $12.99 and $12.99.

TRICO HD – Heavy Duty Five Bar 16” Wiper Blade: Less Than 48 Ounces Of Load (Part No.63-160)

Heavy Duty Five Bar 16'' Wiper Blade: Less Than 48 Ounces Of Load

from

$12.99
TRICO HD Heavy Duty 63 Series wiper blades are specifically engineered for heavy duty vehicles that have less than 48 oz. of load. These wiper blades will fit flat or curved windshields. All TRICO HD Heavy Duty wiper blades are designed to match OE specs and standards. Part number 63-120.

Product Features:
  • All metal blade frame
  • Black finish resembles original blade
  • Fits saddle wiper arms
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Highly-Rated Fluids and Chemicals for 1981 Mack RL

Discover top-rated parts for your 1981 Mack RL, with an average 5 stars rating across 928 customer reviews.

ZEREX – G05® Full Strength Concentrate Antifreeze / Coolant, 1 Gallon (Part No.ZXG051)

G05® Full Strength Concentrate Antifreeze / Coolant, 1 Gallon

from

$22.99
ZEREX G05® is the automaker approved original chemistry used in newer Ford®, Chrysler® and Mercedes-Benz® automotive and diesel engines. Its Hybrid Organic Acid Technology (HOAT) chemistry combines the best of conventional and organic acid-based chemistry to provide the ultimate protection against rust and corrosion. ZEREX G05 antifreeze/coolant uses the highest-quality virgin ethylene glycol for freeze and boil over protection and a hybrid organic acid corrosion inhibitor package to protect your engines from liner pitting and corrosion.

Product Features:
  • Automaker approved technology. Provides protection for 5 years / 150,000 miles in light duty applications and 3 years / 300,000 miles in heavy duty applications.
  • Formulated for long life performance
  • Low-silicate, low-pH and phosphate-free formula
  • Helps protect all cooling system metals, including aluminum
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ZEREX – G-05 Formula 50/50 Pre-Mixed RTU Antifreeze / Coolant, 1 Gallon (Part No.ZXG05RU1)

G-05 Formula 50/50 Pre-Mixed RTU Antifreeze / Coolant, 1 Gallon

from

$19.99
ZEREX G05® is the automaker approved original chemistry used in newer Ford®, Chrysler® and Mercedes-Benz® automotive and diesel engines. Its Hybrid Organic Acid Technology (HOAT) chemistry combines the best of conventional and organic acid-based chemistry to provide the ultimate protection against rust and corrosion. ZEREX G05® antifreeze/coolant uses the highest quality virgin ethylene glycol for freeze and boil over protection and a hybrid organic acid corrosion inhibitor package to protect your engines from liner pitting and corrosion.

Product Features:
  • Automaker approved technology. Provides protection for 5 years / 150,000 miles in light duty applications and 3 years / 300,000 miles in heavy duty applications
  • Formulated for long life performance
  • Low-silicate, low-pH and phosphate-free formula
  • Helps protect all cooling system metals, including aluminum
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Prestone – Command Antifreeze and Coolant: Concentrate, Cor-Guard Nitrite-Free ELC Red NF-OAT, 1-Gallon (Part No.AFC13000)

Command Antifreeze and Coolant: Concentrate, Cor-Guard Nitrite-Free ELC Red NF-OAT, 1-Gallon

from

$22.99
Prestone® Command® Cor-Guard® Nitrite Free (NF-OAT) Extended Life (ELC) antifreeze+coolant (Concentrate) is designed to work with all Class 1-8 vehicles; Heavy Duty and Light Duty. COR-GUARD® technology increases uptime; More miles between service = Less cost to maintain. Utilizing Cor-Guard technology, this formula is designed to protect cooling system parts from corrosion and damage. It instantly protects against the spread of rust, corrosion, pitting, gunk, grime and build-up. It is one fluid that can be used for the whole fleet; all vehicles, coolant colors (LD) and any Nitrite Free OAT engine (HD). Service life is 1,000,000 Miles / 20,000 hrs [class 7-8 with wet sleeve liners]. When compared to ESI & low silicate conventional, it is designed to help lower maintenance costs and improve water pump life. This formula is Nitrite Free, provides excellent protection for aluminum and all other engine metals and eliminates the need to add supplemental coolant additives.

Product Features:
  • Cor-Guard Nitrite Free Extended Life Coolant – NF-OAT ELC – RED formula. Compatible with any Nitrite Free OAT and all Light Duty vehicles
  • COR-GUARD« technology increases uptime; More miles between service = Less cost to maintain. Instantly stops the spread of rust, corrosion, pitting, gunk, grime and build-up
  • COR-GUARD® technology increases uptime; More miles between service = Less cost to maintain. Instantly stops the spread of rust, corrosion, pitting, gunk, grime and build-up
  • Meets OEM Performance requirements: ASTM D6210, D3306, D4985, D7583; TMC RP338A, RP364; Cummings CES 14603, bulletin 3666132; Detroit Diesel 93K217; Cat EC-1 and many OEM requirements
  • Concentrated formula. Must mix with high quality (distilled/deionized) water to the desired ratio. Can be used for top-off, complete drain and refill or flush and refill of the cooling system.
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Prestone – Command Antifreeze and Coolant: 50/50 Ready To Use, Cor-Guard Nitrite-Free ELC Red NF-OAT, 1 Gallon (Part No.AFC13100)

Command Antifreeze and Coolant: 50/50 Ready To Use, Cor-Guard Nitrite-Free ELC Red NF-OAT, 1 Gallon

from

$19.99
Prestone® Command® Cor-Guard® Nitrite Free (NF-OAT) Extended Life (ELC) antifreeze+coolant (ready to use) is designed to work with all Class 1-8 vehicles; Heavy Duty and Light Duty. COR-GUARD® technology increases uptime; More miles between service = Less cost to maintain. Utilizing Cor-Guard technology, this formula is designed to protect cooling system parts from corrosion and damage. It instantly protects against the spread of rust, corrosion, pitting, gunk, grime and build-up. It is one fluid that can be used for the whole fleet; all vehicles, coolant colors (LD) and any Nitrite Free OAT engine (HD). Service life is 1,000,000 Miles / 20,000 hrs [class 7-8 with wet sleeve liners]. When compared to ESI & low silicate conventional, it is designed to help lower maintenance costs and improve water pump life. This formula is Nitrite Free, provides excellent protection for aluminum and all other engine metals and eliminates the need to add supplemental coolant additives.

Product Features:
  • Cor-Guard Nitrite Free Extended Life Coolant – NF-OAT ELC – RED formula. Compatible with any Nitrite Free OAT and all Light Duty vehicles
  • COR-GUARD« technology increases uptime; More miles between service = Less cost to maintain. Instantly stops the spread of rust, corrosion, pitting, gunk, grime and build-up
  • COR-GUARD® technology increases uptime; More miles between service = Less cost to maintain. Instantly stops the spread of rust, corrosion, pitting, gunk, grime and build-up
  • Meets OEM Performance requirements: ASTM D6210, D3306, D4985, D7583; TMC RP338A, RP364; Cummings CES 14603, bulletin 3666132; Detroit Diesel 93K217; Cat EC-1 and many OEM requirements
  • Ready to Use formula (prediluted to a 50% Eg & 50% distilled water mix). Perfect for small volume top-off or complete drain and refill of the cooling system
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