1990 Thomas School Bus Car Parts & Accessories
You have come to the right place if you need new or replacement parts for your 1990 School Bus. Advance Auto carries over 55 aftermarket parts for your 1990 Thomas School Bus, along with original equipment manufacturer (OEM) parts. You will find amazing prices on 1990 School Bus Engine Parts and Belts and Hoses. Plus, our selection of 1990 Interior Products for your School Bus are some of the lowest in the market.
Find replacement parts and upgrades for your 1990 Thomas School Bus. Use our customer reviews of Fuel and Emissions Systems 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 1990 Thomas School Bus performance parts, 1990 Thomas School Bus body parts, interior components, or any type of part for that matter. Get your School Bus upgraded or back in pristine shape by shopping Advance Auto Parts.
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1990 Thomas School Bus Interior Products
Below you can find the top 1990 Thomas School Bus aftermarket accessories. Want to see the complete catalog of Interior Products? Click on “View All” to view each individual Thomas 1990 School Bus part.
Dorman – HD Solutions – Throttle Position Sensor (Part No.904-7692)
from
$409.99
This direct replacement accelerator pedal position sensor matches the fit and performance of a failed original equipment sensor to restore proper vehicle operation. Made of quality materials for a reliable service life.
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Product Features:
- Ideal replacement – this accelerator pedal position sensor matches the fit and function of the original sensor
- Plug & play installation – no special tools or programming required to install this sensor
- Trustworthy construction – engineered in North America and made from high-quality materials for long life
- Quality tested – this accelerator pedal sensor has undergone extensive testing to ensure proper function and a long service life
1990 School Bus Engine Parts
Customers frequently purchase these best-selling 1990 Thomas School Bus Engine Parts.
Melling – Stock Replacement OE Type Oil Pump (Part No.M350)
from
$268.99
Melling oil pumps provide dependable performance every time in every application. Every Melling oil pump is engineered and assembled to the highest production standards from high quality materials. All Melling oil pumps use the latest in gear and gerotor
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Product Features:
- Manufactured from high quality materials for consistent durable wear
- Precision engineered for optimum fit and function
- Designed for long-life and worry-free performance
- Melling oil pumps are tested for pressure and flow under operating conditions to ensure quality
1990 School Bus Belts and Hoses
No need for it to be difficult to find Belts and Hoses for your 1990 Thomas School Bus. Compare prices, read reviews, and buy your School Bus Belts and Hoses online for delivery or in-store pick up.
Dayco – V-Belt, Top Cog (Part No.17385)
from
$12.99
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:
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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
Dayco No Slack Gold Label – Serpentine Idler/Tensioner Pulley; Steel, 74mm Dia., 39.25mm Width, Smooth (Part No.89101)
from
$44.99
Designed to replace idler and tensioner pulleys for serpentine drives in heavy-duty diesel engine applications, Dayco HD idler/tensioner pulleys are machined from high-strength steel or powdered metal material to provide excellent wear resistance under ha
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Product Features:
- Engineered for the demanding drive systems of today’s class 4-8 heavy-duty commercial trucks
- Premium OE technology to ensure peak performance under extreme conditions
- Utilizes 3D dimensional computer aided design (CAD) and finite element analysis (FEA) for optimal design and maximum structural integrity
- Meets or exceeds OE quality
Dayco – Bottom Cog V-Belt; 65 Inch Long, Exact Fit Premium Quality (Part No.17650)
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.
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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
Dayco – Bottom Cog V-Belt: 50" Long, Exact Fit Premium Quality (Part No.17500)
from
$25.49
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:
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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
Dayco No Slack Gold Label – Serpentine Belt Tensioner; 1 Piece, HD, Engineered To Handle Higher Torque (Part No.89482)
from
$142.99
For heavy duty diesel engine accessory drive applications, Dayco’s HD automatic belt tensioner is designed to handle higher torque and power pulses. The heavy-duty cast aluminum body and pulley arms translate into extra strength and durability and the patented flat spring design prevents fluctuations to the tensioner body as its footprint doesn’t change when it’s under tension. This reduces the risk of belt noise and also helps avoid separation of the housing a key failure seen from competitive products. Dayco automatic belt tensioner H.D. also includes rugged pulleys with dual lifetime lubricated bearings to deliver long lasting, dependable service. Feature highly damped designs using a wave spring and a metal ring with a bonded polymeric surface that acts as a radial shock absorber for the tensioner arm while reducing contamination.
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Product Features:
- Designed to prevent fluctuations to the tensioner body for longer service life.
- Reduces the risk of noise and helps avoid housing separation
- Includes pulleys with lubricated bearings for longer lasting performance
- Heavy-duty cast aluminum body and pulley arms translate into extra strength and durability
Dayco – Poly Rib Belt HD Serpentine Belt; 61.02 Long, 8 Rib Count, Heavy Duty (Part No.5080610)
from
$55.99
Produced for heavy-duty vehicles and buses with multiple accessories, Dayco HD poly-V belts are made from EPDM material to resist heat and are compliant with the latest standards, guaranteeing resistance, reliability, low noise and longer service life. Engineered for high torque and power pulses, these belts also feature specially treated cords within the belt to resist stretching and ensure length stability.
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Product Features:
- Engineered to handle operating conditions with temperatures up to 130°C (266°F)
- Designed for multiple accessories such as A/C, power steering pumps, alternators and water pumps
- Capable of delivering excellent performance in high torque and high power pulse applications
- Specially formulated treated cord insures length and tension stability on heavy duty diesel engine drives for the life of the belt
Dayco – Bottom Cog V-Belt; 73 Inch Long, Exact Fit Premium Quality (Part No.17730)
from
$27.99
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:
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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
Driveworks – Automotive V-Belt (Part No.50017)
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.
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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
Driveworks – Poly Rib Belt Serpentine Belt; 91.54 Long, 6 Rib Count (Part No.38517)
from
$4.99
Dayco engineered to conform to high mileage, worn or misaligned drives without a sacrifice in quiet, long-lasting performance. Constructed with Aramid reinforced EPDM compounds, it delivers more than OE required quality… it delivers the solution to troublesome drive problems. Dayco Poly-Rib Belts meet or exceed SAE J1459 and SAE J2432 specifications.
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Product Features:
- Aramid noise resistant fibers embedded in the rubber make this belt run quieter in worn or misaligned pulleys
- No-Noise Advanced Design EPDM rubber compound for quiet extended life
Driveworks – Automotive V-Belt (Part No.65017)
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:
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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
1990 School Bus Suspension Parts
Monroe – Magnum Shock Absorber (Part No.65490)
from
$99.99
The Monroe® Magnum shock absorber for Class 6-8 Vehicles is the first gas-charged, large-bore shock specifically designed for air spring and taper leaf suspensions. Its nitrogen gas charge provides the fast response essential for today’s heavy truck suspe
Product Features:
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Product Features:
- Robust hydraulic lock-out Prevents over-extension of the suspension, top-out of the piston and averts damage to the seal assembly – when required
- PTFE coated bearing Reduces friction during operation between the rod and rod guide, improving durability – on most applications
- Tenneco shouldered bushings Shouldered bushing and bonded bushing with sleeve designs prevent (bushing walkout) for improved quality and durability – on most applications
- Nitrogen gas-charged For improved ride and handling, helps maintain tire to road contact by reducing aeration – on most applications
- Loop welding technique Resistance weld with additional 360-degree weld to provide up to 15,000 lbs. (6,804 kg) tensile strength for maximum durability – when required
- 2-3/8 inch (60.3 mm) reserve tube More fluid for more consistent performance – on most applications
- 1-3/4-inch (44.6 mm) bore Large bore than most shocks to provide more consistent control
- .05-inch Pressure tube withstanding pressure of 9KPSI
- 10-stage valving Reacts to wide range of driving conditions – on most applications
Monroe – Magnum Shock Absorber (Part No.66923)
from
$77.99
The Monroe® Magnum shock absorber for class 3-6 Vehicles is gas-charged for quicker response and a stable, more comfortable ride. Replacing worn-out units with hard-working Magnum shocks can help reduce excessive vibration. The result can be better tire l
Product Features:
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Product Features:
- Robust hydraulic lock-out Prevents over-extension of the suspension, top-out of the piston and averts damage to the seal assembly – on most applications
- PTFE coated bearing Reduces friction during operation between the rod and rod guide, improving durability – on most applications
- Tenneco shouldered bushings Shouldered bushing and bonded bushing with sleeve designs prevent (bushing walkout) for improved quality and durability – on most applications
- Nitrogen gas-charged For improved ride and handling, helps maintain tire to road contact by reducing aeration – on most applications
- Loop welding technique Resistance weld with additional 360-degree weld provide up to 13,100 lbs. (6,395 kg) tensile strength for maximum durability – when required
- 2-inch (50.8 mm) or 2-1/4-inch (57.2 mm) reserve tube More fluid for more consistent performance – when required
- 1-3/8-inch (35 mm) bore Larger bore than most shocks to provide more efficient and consistent control – on most applications
- .05-inch Pressure tube withstanding pressure of 9KPSI
- 10-stage valving Reacts to wide range of driving conditions – on most applications
Monroe – Magnum Shock Absorber (Part No.65482)
from
$128.99
The Monroe® Magnum shock absorber for Class 6-8 Vehicles is the first gas-charged, large-bore shock specifically designed for air spring and taper leaf suspensions. Its nitrogen gas charge provides the fast response essential for today’s heavy truck suspe
Product Features:
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Product Features:
- Robust hydraulic lock-out Prevents over-extension of the suspension, top-out of the piston and averts damage to the seal assembly – when required
- PTFE coated bearing Reduces friction during operation between the rod and rod guide, improving durability – on most applications
- Tenneco shouldered bushings Shouldered bushing and bonded bushing with sleeve designs prevent (bushing walkout) for improved quality and durability – on most applications
- Nitrogen gas-charged For improved ride and handling, helps maintain tire to road contact by reducing aeration – on most applications
- Loop welding technique Resistance weld with additional 360-degree weld to provide up to 15,000 lbs. (6,804 kg) tensile strength for maximum durability – when required
- 2-3/8 inch (60.3 mm) reserve tube More fluid for more consistent performance – on most applications
- 1-3/4-inch (44.6 mm) bore Large bore than most shocks to provide more consistent control
- .05-inch Pressure tube withstanding pressure of 9KPSI
- 10-stage valving Reacts to wide range of driving conditions – on most applications
- 10-stage valving: Reacts to wide range of driving conditions – on most applications
- All weather fluid: Contains special modifiers to reduce frictions and ensure smooth rod reaction
- Single-lip, low-friction oil seal
Monroe – Magnum Shock Absorber (Part No.66615)
from
$71.99
The Monroe® Magnum shock absorber for class 3-6 Vehicles is gas-charged for quicker response and a stable, more comfortable ride. Replacing worn-out units with hard-working Magnum shocks can help reduce excessive vibration. The result can be better tire l
Product Features:
See More
Product Features:
- Robust hydraulic lock-out Prevents over-extension of the suspension, top-out of the piston and averts damage to the seal assembly – on most applications
- PTFE coated bearing Reduces friction during operation between the rod and rod guide, improving durability – on most applications
- Tenneco shouldered bushings Shouldered bushing and bonded bushing with sleeve designs prevent (bushing walkout) for improved quality and durability – on most applications
- Nitrogen gas-charged For improved ride and handling, helps maintain tire to road contact by reducing aeration – on most applications
- Loop welding technique Resistance weld with additional 360-degree weld provide up to 13,100 lbs. (6,395 kg) tensile strength for maximum durability – when required
- 2-inch (50.8 mm) or 2-1/4-inch (57.2 mm) reserve tube More fluid for more consistent performance – when required
- 1-3/8-inch (35 mm) bore Larger bore than most shocks to provide more efficient and consistent control – on most applications
- .05-inch Pressure tube withstanding pressure of 9KPSI
- 10-stage valving Reacts to wide range of driving conditions – on most applications
- 10-stage valving: Reacts to wide range of driving conditions – on most applications
- All weather fluid: Contains special modifiers to reduce frictions and ensure smooth rod reaction
Monroe – Magnum Shock Absorber (Part No.65109)
from
$128.99
The Monroe® Magnum shock absorber for Class 6-8 Vehicles is the first gas-charged, large-bore shock specifically designed for air spring and taper leaf suspensions. Its nitrogen gas charge provides the fast response essential for today’s heavy truck suspe
Product Features:
See More
Product Features:
- Robust hydraulic lock-out Prevents over-extension of the suspension, top-out of the piston and averts damage to the seal assembly – when required
- PTFE coated bearing Reduces friction during operation between the rod and rod guide, improving durability – on most applications
- Tenneco shouldered bushings Shouldered bushing and bonded bushing with sleeve designs prevent (bushing walkout) for improved quality and durability – on most applications
- Nitrogen gas-charged For improved ride and handling, helps maintain tire to road contact by reducing aeration – on most applications
- Loop welding technique Resistance weld with additional 360-degree weld to provide up to 15,000 lbs. (6,804 kg) tensile strength for maximum durability – when required
- 2-3/8 inch (60.3 mm) reserve tube More fluid for more consistent performance – on most applications
- 1-3/4-inch (44.6 mm) bore Large bore than most shocks to provide more consistent control
- .05-inch Pressure tube withstanding pressure of 9KPSI
- 10-stage valving Reacts to wide range of driving conditions – on most applications
- 10-stage valving: Reacts to wide range of driving conditions – on most applications
- All weather fluid: Contains special modifiers to reduce frictions and ensure smooth rod reaction
- Single-lip, low-friction oil seal
Monroe – Magnum Shock Absorber (Part No.65153)
from
$122.99
The Monroe® Magnum shock absorber for Class 6-8 Vehicles is the first gas-charged, large-bore shock specifically designed for air spring and taper leaf suspensions. Its nitrogen gas charge provides the fast response essential for today’s heavy truck suspe
Product Features:
See More
Product Features:
- Robust hydraulic lock-out Prevents over-extension of the suspension, top-out of the piston and averts damage to the seal assembly – when required
- PTFE coated bearing Reduces friction during operation between the rod and rod guide, improving durability – on most applications
- Tenneco shouldered bushings Shouldered bushing and bonded bushing with sleeve designs prevent (bushing walkout) for improved quality and durability – on most applications
- Nitrogen gas-charged For improved ride and handling, helps maintain tire to road contact by reducing aeration – on most applications
- Loop welding technique Resistance weld with additional 360-degree weld to provide up to 15,000 lbs. (6,804 kg) tensile strength for maximum durability – when required
- 2-3/8 inch (60.3 mm) reserve tube More fluid for more consistent performance – on most applications
- 1-3/4-inch (44.6 mm) bore Large bore than most shocks to provide more consistent control
- .05-inch Pressure tube withstanding pressure of 9KPSI
- 10-stage valving Reacts to wide range of driving conditions – on most applications
- 10-stage valving: Reacts to wide range of driving conditions – on most applications
- All weather fluid: Contains special modifiers to reduce frictions and ensure smooth rod reaction
- Single-lip, low-friction oil seal
Monroe – Magnum Shock Absorber (Part No.74025)
from
$113.99
Tough Monroe® Magnum shock absorbers for transit buses deliver a firm, controlled ride for greater stability and increased driver comfort. Designed to meet or exceed demanding OE manufacturer specifications
Product Features:
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Product Features:
- Robust hydraulic lock-out Prevents over-extension of the suspension, top-out of the piston and averts damage to the seal assembly
- PTFE coated bearing Reduces friction during operation between the rod and rod guide, improving durability
- Tenneco shouldered bushings Shouldered bushing and bonded bushing with sleeve designs prevent (bushing walkout) for improved quality and durability – on most applications
- Loop welding technique Resistance weld with additional 360-degree weld to provide up to 15,000 lbs. (6,804 kg) tensile strength for maximum durability – when required
- 1-3/4-inch (44.6 mm) Bore Larger bore gives accessibility to finer tune the valving by allowing more hydraulic fluid to dissipate heat for better vehicle control
- 2-3/4-inch (69.85 mm) Reserve Tube More fluid for more consistent performance – when required
- .05-inch Pressure tube withstanding pressure of 9KPSI
- All weather fluid Contains special modifiers to reduce frictions and ensure smooth rod reaction
- 10-stage valving Reacts to wide range of driving conditions – on most applications
- 10-stage valving: Reacts to wide range of driving conditions – on most applications
- Single-lip, low-friction oil seal
Monroe – Magnum Shock Absorber (Part No.65540)
from
$102.99
The Monroe® Magnum shock absorber for Class 6-8 Vehicles is the first gas-charged, large-bore shock specifically designed for air spring and taper leaf suspensions. Its nitrogen gas charge provides the fast response essential for today’s heavy truck suspe
Product Features:
See More
Product Features:
- Robust hydraulic lock-out Prevents over-extension of the suspension, top-out of the piston and averts damage to the seal assembly – when required
- PTFE coated bearing Reduces friction during operation between the rod and rod guide, improving durability – on most applications
- Tenneco shouldered bushings Shouldered bushing and bonded bushing with sleeve designs prevent (bushing walkout) for improved quality and durability – on most applications
- Nitrogen gas-charged For improved ride and handling, helps maintain tire to road contact by reducing aeration – on most applications
- Loop welding technique Resistance weld with additional 360-degree weld to provide up to 15,000 lbs. (6,804 kg) tensile strength for maximum durability – when required
- 2-3/8 inch (60.3 mm) reserve tube More fluid for more consistent performance – on most applications
- 1-3/4-inch (44.6 mm) bore Large bore than most shocks to provide more consistent control
- .05-inch Pressure tube withstanding pressure of 9KPSI
- 10-stage valving Reacts to wide range of driving conditions – on most applications
- 10-stage valving: Reacts to wide range of driving conditions – on most applications
- All weather fluid: Contains special modifiers to reduce frictions and ensure smooth rod reaction
- Single-lip, low-friction oil seal
Bulldog HD – Heavy-Duty Shock Absorber – 1990-1994 International 4000 (Part No.HD1215-0114)
from
$89.99
Bulldog HD commercial Heavy Duty shock absorbers are designed with the best materials and innovative design techniques for lasting quality and performance! Best Technology. Best Performance. Ultra Premium HD Shocks.
Product Features:
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Product Features:
- Robotic 360 Degree Welds; Highest Weld Strength in the Industry
- Propriety Value Design for long lasting compression and rebound performance
- Brushing rubber formulation with lowest levels of filler
- OE Enos Synthetic to perform from -40 Deg. F to 340 Deg. F
- Double lip seal design to reduce excessive misting and extend damping life cycle
Bulldog HD – Heavy-Duty Shock Absorber – 1994-1994 Ford B700 (Part No.HD1215-0068)
from
$84.99
Bulldog HD commercial Heavy Duty shock absorbers are designed with the best materials and innovative design techniques for lasting quality and performance! Best Technology. Best Performance. Ultra Premium HD Shocks.
Product Features:
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Product Features:
- Robotic 360 Degree Welds; Highest Weld Strength in the Industry
- Propriety Value Design for long lasting compression and rebound performance
- Brushing rubber formulation with lowest levels of filler
- OE Enos Synthetic to perform from -40 Deg. F to 340 Deg. F
- Double lip seal design to reduce excessive misting and extend damping life cycle
Bulldog HD – Heavy-Duty Shock Absorber – 1988-2006 Thomas School Bus (Part No.HD1215-0018)
from
$74.99
Bulldog HD commercial Heavy Duty shock absorbers are designed with the best materials and innovative design techniques for lasting quality and performance! Best Technology. Best Performance. Ultra Premium HD Shocks.
Product Features:
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Product Features:
- Robotic 360 Degree Welds; Highest Weld Strength in the Industry
- Propriety Value Design for long lasting compression and rebound performance
- Brushing rubber formulation with lowest levels of filler
- OE Enos Synthetic to perform from -40 Deg. F to 340 Deg. F
- Double lip seal design to reduce excessive misting and extend damping life cycle
Bulldog HD – Heavy-Duty Shock Absorber – 2003-2016 IC Corporation RE School Bus (Part No.HD1214-0545)
from
$50.99
Bulldog HD commercial Heavy Duty shock absorbers are designed with the best materials and innovative design techniques for lasting quality and performance! Best Technology. Best Performance. Ultra Premium HD Shocks.
Product Features:
See More
Product Features:
- Robotic 360 Degree Welds; Highest Weld Strength in the Industry
- Propriety Value Design for long lasting compression and rebound performance
- Brushing rubber formulation with lowest levels of filler
- OE Enos Synthetic to perform from -40 Deg. F to 340 Deg. F
- Double lip seal design to reduce excessive misting and extend damping life cycle
