4299051 Genuine Cummins Belt Tensioner
4299051 Genuine Cummins Belt Tensioner
4299051 Genuine Cummins Belt Tensioner
4299051 Genuine Cummins Belt Tensioner
4299051 Genuine Cummins Belt Tensioner
4299051 Genuine Cummins Belt Tensioner
4299051 Genuine Cummins Belt Tensioner
4299051 Genuine Cummins Belt Tensioner
-7%
Brand: CUMMINS

4299051 Genuine Cummins Belt Tensioner

$319.00
Price: $297.19 Sold out
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4299051 Genuine Cummins Belt Tensioner

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Specifications

Part Number (SKU) 4299051
Manufacturer Part Number (MPN) 4299051
Brand Cummins
Part Type Belt Tensioner
Internal stock code 701330AT
Weight 6.0 lb

Inventory SKU(s): 4299051

Cummins Belt Tensioner — What It Does

The belt tensioner on Cummins power is the drive system’s constant hand — a calibrated spring holding the belt at exactly the tension the accessories were engineered around, absorbing the crankshaft’s pulses so the belt doesn’t have to.

About this component: Belts and tensioners age as a couple — a tired tensioner eats new belts, and a new tensioner behind an old belt inherits its glaze and cracks — so the pair replaces together as a rule, and the tensioner’s wear indicator (where fitted) is read, not guessed at.

Common Symptoms of a Failing Tensioner

  • Belt squeal and flutter — tension no longer holding through the pulses
  • The tensioner arm bouncing visibly at idle — the damper inside gone
  • Pulley bearing chirp or growl, worst cold
  • The indicator outside its range with a belt at correct length
  • Belt tracking off-center or fraying at the edges

Replacement Notes

Replace with the belt as the couple they are, verify pulley alignment across the drive (a straightedge finds what eyes miss), torque the mounting to specification, and confirm the indicator sits in range with the new belt seated. Check what the belt drives too — a dragging accessory masquerades as a tension problem and eats the new pair on the old schedule.

Part Number & Fitment Verification

Listed MPN: 4299051

Verify this listing as the exact sale item shown in the title: Genuine Cummins Belt Tensioner. Confirm engine/accessory package and belt routing, tensioner location/rotation, arm geometry and spring/damping, pulley diameter/face/grooves/offset, mounting pattern, belt length/profile and build date. Do not select by appearance or a broad product category alone. Compare the original part number and any supersession, connector or port keying, dimensions, orientation, mounting and included subcomponents before installation. Catalog context: CUMMINS / Belt Tensioners.

Technical information is general service guidance. Follow the OEM service manual and verify fitment by VIN, engine serial number, transmission serial number, axle model, or chassis build data as applicable before installation.

General Shipping Policies & Time

We ship eligible orders the same business day, Monday through Friday, excluding major United States holidays.

Advanced Truck Parts ships eligible orders the same business day when placed during our shipping hours. We ship Monday through Friday, excluding major United States holidays, and process same-day shipments until 6:00 PM ET.

Next Day Air orders will also ship the same business day when the product qualifies for our same-day shipping guarantee. Some products may not qualify due to availability, product type, supplier timing, freight requirements, or other shipping limitations.

When a product does not qualify for same-day shipment, a visible notice will appear on the product page stating that the item is not eligible for our same-day shipping guarantee.

Please note: Shipping time begins once the order has shipped. Transit times do not include holidays, carrier delays, customs delays, freight scheduling, or special handling requirements.
Shipping Methods & Transit Times
Shipping Method Estimated Transit Time
Small Package Saver 3 to 7 business days* This method is only available for products under 10 pounds. The majority of products that qualify for free shipping will ship using this method.
Ground 1 to 6 business days* Our house carrier is UPS, and the majority of packages will ship this way. Occasionally, packages may ship FedEx.
Second Day Air 2 to 3 business days* For this option, please call in and speak to our sales department.
Next Day Air 1 to 2 business days* Next Day Air orders will ship the same business day when the product qualifies for our same-day shipping guarantee. For this option, please call in and speak to our sales department.
Canada 1 to 6 business days* Transit time can vary due to border customs. The carrier may also use the contact number provided if further information is required.
Large Package Rate 3 to 5 business days* For residential deliveries, the carrier may use the contact number provided to schedule delivery.
Will Call Customer Pickup

Will Call pickup is available for eligible orders at 2212 Smokey Park Highway, #112, Candler, NC 28715. Request pickup by phone so ATP can confirm part availability and arrange collection. The preparation estimate is 24 hours; wait for ATP's ready-for-pickup confirmation and collection instructions before traveling. We do not offer walk-in, in-person shopping. The mailing address at 2230 Smokey Park Hwy is not the pickup location.

There is no shipping or handling charge for choosing Will Call. North Carolina sales tax applies unless valid tax exemption documentation is accepted.

*Advanced Truck Parts processes and ships eligible orders Monday through Friday, excluding major United States holidays. The majority of our orders ship from our North Carolina warehouse.

Freight / Oversize Shipments

Freight/LTL shipping quotes are calculated based on delivery to commercial addresses. This means that the property must be commercially zoned and have official business hours of operations. If you do not have a business address and you have already purchased a Freight or Oversized item then we will contact you with an updated shipping charge that must be paid for delivery. If you have not purchased yet and would like a shipping quote to a non commercial address, we are more than happy to help!

Inspect a freight shipment when it arrives and record visible damage or shortages on the delivery receipt before signing when possible. Photograph the part, shipping labels and packaging, keep the packaging, and contact ATP promptly. If damage is discovered after delivery, still contact ATP so the facts and available remedies can be reviewed. A missing delivery notation does not automatically remove applicable legal rights.

Upon delivery of the shipment, if you do not have the ability and/or equipment to unload your product the freight carrier may ask if you would like to have them unload the product with a lift gate or other methods. Any additional services requested such as this may incur an additional fee charged to the customer by the freight carrier and Advanced Truck Parts is not responsible for such charges. The decision to accept these charges lies solely with the delivery recipient.

Free Shipping Promotions

All Free Shipping items will ship either USPS or UPS and will have a 3 to 7 day transit time. For any products or promo codes that offer Free Shipping on orders or individual parts, the Free Shipping only applies to the contiguous 48 United States. For all other ship to locations, an accurate shipping quote must be calculated and paid. Free Shipping also does not apply to oversized or freight items unless specifically stated and a commercial zone address is required.

Canada Shipments

Applicable for Ground Shipments Only - Canada Customs requires Canadian recipients to pay applicable duties and taxes on each shipment entering Canada. These charges may include POST, GST, HST, duties and other taxes of goods. A brokerage fee may also be charged to process shipments and present the requisite customs paperwork to Canada Customs on the importer's behalf. In some cases, orders may be sent in multiple shipments and can incur additional brokerage charges imposed by Canada Customs.

Canadian recipients are responsible for applicable import duties, taxes and brokerage or clearance charges assessed by the destination authority or carrier, unless the specific shipment quote expressly includes them. Multiple shipments may create separate clearance charges. Contact ATP if customs requests information or a shipment is delayed or refused; refunds and shipping costs follow the applicable purchase terms and legal rights.

Do not assume a freight/LTL quote includes all import duties, taxes or clearance charges. Ask ATP to confirm the quoted shipment terms and check destination requirements with the carrier or customs authority before purchase.

International Shipments

At Advanced Truck Parts we are proud to provide international shipping! We have a very experienced team of people here to help our international customers receive their parts quickly and at very affordable rates!

If you are trying to place an order and our website says that we can not ship to your location please contact us at support@advancedtruckparts.com so that we can give you a custom shipping quote. Once you contact us at support@advancedtruckparts.com we will respond quickly with an accurate shipping quote as long as you provide a full physical address with postal code.

In some cases our website may quote and charge you the wrong amount for shipping and if this occurs you will be contacted for additional payment. While we do our best to have our website calculate accurate shipping quotes, in dealing with international shipments this is difficult and sometimes our team has to calculate the correct shipping rate manually.

International customers are responsible for any duties, taxes, custom charges or currency exchange fees that their shipment may incur during transit. In the case of a shipment being refused, all transit charges will be deducted from the customer’s refund.

Damaged Shipments

If a part arrives damaged, contact ATP promptly, preferably within 24–48 hours, to help preserve carrier evidence. Photograph the part, shipping label and all packaging and keep the packaging. Do not install a part that appears damaged. Include your order number and tracking information when contacting support.

ATP administers its own limited parts warranty and handles transit-damage and ATP wrong-item claims. Contact ATP before returning a part or buying a label. ATP covers authorized shipping for confirmed defects, transit damage and incorrect items supplied by ATP. Opening or installation does not by itself eliminate an otherwise valid defect claim. See the ATP warranty and claim instructions; applicable legal rights remain in effect.

Refused Shipments

Contact ATP before refusing a shipment or requesting an ordinary return. Refusing delivery does not replace return authorization or make a non-returnable item eligible. Electronic components, including unopened items, and special-order items are excluded from change-of-mind returns. Defect, damage and ATP wrong-item claims follow a separate process.

Eligible ordinary returns follow the return and refund terms: request within 30 days of delivery, obtain an RA, and meet the condition requirements. A 20% restocking fee applies; original shipping is not refundable and the customer pays ordinary return shipping. Those ordinary-return deductions do not apply to confirmed defects, transit damage or incorrect items supplied by ATP, for which ATP covers authorized shipping. Earlier purchase promises and applicable legal rights are preserved.

Shipping

We are now shipping internationally! All shipping rates will be calculated, and thus, will vary depending on the shipping location. All shipping rates are calculated based the cost of both the shipping and handling required to send your item.

Once you have placed your order by purchasing an item, eligible orders will ship the same business day when placed during our shipping hours. Some packages may spend another 3 to 10 days in transit, or possibly longer in international shipping situations.

We cannot ship to PO Boxes!!! Before purchasing our item(s), please make sure that either (1) your Paypal account has a confirmed physical address, or (2) you personally supply us with a sufficient physical address to ship to.

Out of Stock

It is our desire to always have every listed item actively in stock. Occasionally, due to high demand we may be temporarily out of stock on an item. If this happens you will be notified and given the option to either cancel for a full refund or wait for the part to come in, typically 3-14 days.

Contacting Us

We take pride in having the best customer service! If you have any questions about currently listed items, please call us toll-free in the United States at 1-877-795-0656 from 8:00 am - 10:30 pm ET.

If you have any comments or questions about listed items, shipping, handling time, parts you would like to see listed or absolutely anything at all, please feel free to email us.

Confirm Product Fitment

Send your vehicle information and a parts expert will confirm compatibility before you order.

Best information: VIN or engine serial number plus your current part number.

Typical reply: About 15 minutes during business hours.

Mon–Fri, 8:00am–10:30pm ET. Have photos? Reply to our confirmation email with them attached.