2025 Freightliner B2 Car Parts & Accessories
You have come to the right place if you need new or replacement parts for your 2025 B2. Advance Auto carries over 15 aftermarket parts for your 2025 Freightliner B2, along with original equipment manufacturer (OEM) parts. You will find amazing prices on 2025 B2 Interior Products and Engine Parts. Plus, our selection of 2025 Body Parts for your B2 are some of the lowest in the market.
Find replacement parts and upgrades for your 2025 Freightliner B2. Use our customer reviews of Exhaust Parts 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 2025 Freightliner B2 performance parts, 2025 Freightliner B2 body parts, interior components, or any type of part for that matter. Get your B2 upgraded or back in pristine shape by shopping Advance Auto Parts.
Best Selling Parts for 2025 Freightliner B2
Looking for the right parts to keep your 2025 Freightliner B2 in top shape? Below, you’ll find links to some of the best selling and most popular part types specifically designed for your vehicle. Some of these top selling part types are Battery: 31T Group Size, 1 Year Warranty, 1000 CCA, 1190 CA, 185 Minute Reserve Capacities (15 parts available), Yellow Battery: 31T Group Size, 900 CCA, 1125 CA, 155 Minute Reserve Capacity, Deep-Cycles (15 parts available), and Battery: 31T Group Size, 1 Year Warranty, 950 CCA, 1140 CA, 175 Minute Reserve Capacities (15 parts available). These and 15 other OEM and aftermarket parts are available from trusted brands like DieHard, Optima, and Dayco, and more. Advance Auto Parts has everything you need to maintain or upgrade your 2025 Freightliner B2. Shop with confidence knowing you’re getting high-quality parts that will help your vehicle perform its best.
Find 2025 Freightliner B2 Parts by Category
Top Freightliner Part Categories
Best-Selling Belts and Hoses for your 2025 Freightliner B2
Upgrade your 2025 Freightliner B2 with one of the 6 best-selling parts in stock, starting at just $21.29.
Dayco – Bottom Cog V-Belt; 43.5 Inch Long, Exact Fit Premium Quality (Part No.17435)
from
$21.29
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:
See More
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
Gates – FleetRunner Heavy-Duty Automatic Belt Drive Tensioner (Part No.38766)
from
$229.99
Product Features:
See More
- Optimized components engineered for maximum strength and durability
- Patented design provides superior belt alignment and tension for improved drive efficiency and life
- Long-lasting steel pulleys with dust shields to protect internal bearings from contamination
- Double row bearings carry more load and last up to 3X longer than two individual bearings
- Chrome-silicone round torsion spring for less flex-fatigue than flat-spring designs
Gates – FleetRunner Heavy-Duty Micro-V Serpentine Drive Belt (Part No.K080964HD)
from
$118.99
Gates FleetRunner Micro-V Belts are 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:
See More
Product Features:
- The patented material provides optimal performance at prolonged extreme operating temperatures.
- Construction resists cracking and wear, even at extreme temperatures
- Special compound provides unmatched flexibility, stability, load carrying capacity and belt life
- A problem-solving tool designed for the toughest applications
- Consistently outperforms other heavy-duty serpentine belts on the market
- Engineered to save your fleet money and reduce downtime
- It is recommended to replace the tensioner (if equipped)
Dayco No Slack Gold Label – Serpentine Belt Tensioner; 1 Piece, HD, Engineered To Handle Higher Torque (Part No.89475)
from
$91.99
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.
Product Features:
See More
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
Gates – FleetRunner Heavy-Duty V-Belt (Part No.9435HD)
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:
See More
Product Features:
- Patented material provides peak performance at extremely prolonged operating temperatures
- Crack, wear, oil, and heat resistant construction
- The special compound provides unprecedented flexibility, stability, load-bearing capacity and belt life.
- Unique notch pattern offers greater flexibility for smaller diameter pulleys
- Problem solver for failed disks
- Engineered to save your fleet money and reduce downtime
- Meets RMA standards for oil and heat resistance and static conductivity requirements
Gates – Automotive XL High Capacity V-Belt (Part No.9435)
from
$23.79
Product Features:
See More
- Fiber-loaded rubber mount adds flexibility along the belt and provides greater lateral stability on 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
Most Popular 2025 Freightliner B2 Performance and Racing Products
Improve your B2’s performance by choosing from our wide selection of 1 OEM and aftermarket auto parts specifically for your 2025 Freightliner B2.
Dorman – HD Solutions – Nitrogen Oxide Sensor Outlet Of Diesel Particulate Filter (Part No.904-6006)
from
$391.99
This NOx sensor has been made to match the original equipment sensor on certain vehicle years, makes and models, properly restoring nitrogen oxide detection to comply with emissions regulations.
Product Features:
See More
Product Features:
- Direct replacement – this replacement NOx sensor matches the function and performance of the original sensor on specified vehicles
- Restores performance – properly repairs nitrogen oxide detection to comply with regulations
- Application specific – reverse engineered from the original design on certain vehicle years, makes and models
- Trustworthy quality – backed by team of engineers and quality specialists in the United States
Top-Selling B2 Engine Parts
Shop now for the best auto parts and accessories for your 2025 B2, starting at $62.99, and ensure your Freightliner stays in top shape.
Dorman – HD Solutions – Crank Case Pressure Sensor (Part No.904-7119)
from
$62.99
This engine crankcase pressure sensor is designed to match the fit and function of the original sensor on specified vehicles, and is engineered for durability and reliable performance.
Product Features:
See More
Product Features:
- Direct replacement – this engine crankcase pressure sensor is designed to match the fit and function of the original sensor on specified vehicles
- Ideal solution – this sensor is a reliable replacement for an original part that has failed due to fatigue or electrical malfunction
- Durable construction – this sensor is made from quality components to ensure reliable performance and a long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
In-Demand Batteries and Chargers for the Freightliner B2
Choose from 7 high-quality Batteries and Chargers for your 2025 Freightliner B2 priced between $149.99 and $544.99.
DieHard HD Battery – Battery: 31T Group Size, 1 Year Warranty, 950 CCA, 1140 CA, 175 Minute Reserve Capacity (Part No.31S30)
from
$174.99
DieHard Heavy Duty batteries deliver the starting power your heavy duty applications need. These batteries are designed for commercial trucks, heavy duty and agricultural applications.
Product Features:
See More
Product Features:
- Full frame stamped positive grid design provides increased corrosion resistance and superior cranking power.
- High-density paste improves cycling capability
- Polypropylene ribbed case and reinforced end-walls for extra durability
- Anchor bonding locks elements in place to dramatically improve life with superior vibration resistance
DieHard HD Battery – Battery: 31T Group Size, 1 Year Warranty, 1000 CCA, 1190 CA, 185 Minute Reserve Capacity (Part No.31HDS30)
from
$182.99
DieHard Heavy Duty batteries deliver the starting power your heavy duty applications need. These batteries are designed for commercial trucks, heavy duty and agricultural applications.
Product Features:
See More
Product Features:
- Full frame stamped positive grid design provides increased corrosion resistance and superior cranking power.
- High-density paste improves cycling capability
- Polypropylene ribbed case and reinforced end-walls for extra durability
- Anchor bonding locks elements in place to dramatically improve life with superior vibration resistance
Optima – Yellow Battery: 31T Group Size, 900 CCA, 1125 CA, 155 Minute Reserve Capacity, Deep-Cycle (Part No.D31T-1125)
from
$399.99
The OPTIMA YELLOWTOP high-performance AGM battery is the ULTIMATE POWER SOURCE and one of the few true dual-purpose automotive batteries available. With premium cranking power and impressive cycling capability, this heavy-duty battery is ideal for trucks with winches, vehicles with high-demand electronics and audio systems, commercial vehicles and heavy equipment. Key benefits of OPTIMA YELLOWTOP batteries include deep-cycling battery and OPTIMAL starting power, up to 3x longer service life, 15x more resistant to vibration, leak proof, mountable in virtually any position, maintenance-free, and more than 300 discharge / recharge cycles. OPTIMA YELLOWTOP batteries work well for tractors or forklifts.
Product Features:
See More
Product Features:
- Faster recharging capabilities
- Maintenance free for maximum convenience
- Completely non-spillable, mountable in many positions
- 15x the vibration resistance of a standard flooded battery
- Up to 3 times longer life vs. standard flooded batteries
- SPIRALCELL TECHNOLOGY with 99.99% pure lead delivers more power and consistently outperforms conventional flat-plate batteries
DieHard HD Battery – Battery: 31T Group Size, 1 Year Warranty, 825 CCA, 1000 CA, 200 Minute Reserve Capacity (Part No.NG31CS)
from
$259.99
DieHard Heavy Duty batteries deliver the starting power your heavy duty applications need. These batteries are designed for commercial trucks, heavy duty and agricultural applications.
Product Features:
See More
Product Features:
- Full frame stamped positive grid design provides increased corrosion resistance and superior cranking power.
- High-density paste improves cycling capability
- Polypropylene ribbed case and reinforced end-walls for extra durability
- Anchor bonding locks elements in place to dramatically improve life with superior vibration resistance
DieHard HD Battery – Battery: 31T Group Size, 1 Year Warranty, 750 CCA, 935 CA, 180 Minute Reserve Capacity (Part No.31XS-30)
from
$149.99
DieHard Heavy Duty batteries deliver the starting power your heavy duty applications need. These batteries are designed for commercial trucks, heavy duty and agricultural applications.
Product Features:
See More
Product Features:
- Full frame stamped positive grid design provides increased corrosion resistance and superior cranking power.
- High-density paste improves cycling capability
- Polypropylene ribbed case and reinforced end-walls for extra durability
- Anchor bonding locks elements in place to dramatically improve life with superior vibration resistance
Odyssey Battery – Extreme Series Battery: 31 Group Size, 1150 CCA, 1370 CA, 220 Minute Reserve Capacity (Part No.ODX-AGM31)
from
$544.99
You’ve got what it takes to push yourself further. To Drive harder. To endure the knocks and stay out longer. For all of you that are driven to such extremes, EnerSys builds the Odyssey battery. The first to feature advanced Thin Plate Pure Lead (TPPL) Technology, Odyssey batteries deliver twice the power and triple the life of any conventional lead acid battery. It’s the pure materials inside the Odyssey battery that make this performance possible.
Product Features:
See More
Product Features:
- MASSIVE STARTING POWER: Engine cranking pulses in excess of 2250 amps for five seconds
- LONGER LIFE: 8 to 12 year design life and 3 to 10 year service life
- EXTREME TEMPERATURE TOLERANCE: -40 Deg. F to 140 Deg. for models without a metal jacket, and from -40 Deg. to 176 Deg. for models with a metal jacket
- VIBRATION RESISTANT: Extreme protection against high impact shocks and vibration
- Odyssey Batteries are designed to be non-spillable and can be mounted in any position except inverted.
Odyssey Battery – Performance Series Battery: 31 Group Size, 925 CCA, 1150 CA, 200 Minute Reserve Capacity (Part No.ODP-AGM31)
from
$450.99
You’ve got what it takes to push yourself further. To Drive harder. To endure the knocks and stay out longer. For all of you that are driven to such extremes, EnerSys builds the Odyssey battery. The first to feature advanced Thin Plate Pure Lead (TPPL) Technology, Odyssey batteries deliver twice the power and triple the life of any conventional lead acid battery. It’s the pure materials inside the Odyssey battery that make this performance possible.
Product Features:
See More
Product Features:
- MASSIVE STARTING POWER: Engine cranking pulses in excess of 2250 amps for five seconds
- LONGER LIFE: 8 to 12 year design life and 3 to 10 year service life
- EXTREME TEMPERATURE TOLERANCE: -40 Deg. F to 140 Deg. for models without a metal jacket, and from -40 Deg. to 176 Deg. for models with a metal jacket
- VIBRATION RESISTANT: Extreme protection against high impact shocks and vibration
- Odyssey Batteries are designed to be non-spillable and can be mounted in any position except inverted.
