New Fits for Caterpillar 312 311 110 120 311B 312B Excavator Muffler 5I-7914 5I7914 Replacement 22 Inch Height

Part Number:5I-7914 5I7914

Condition: new, aftermarket

Warranty: 6 months

Muffler specs: height 570mm, diameter 230mm, air inlet 65mm/ 2.56 inches, air outlet 70mm/ 2.76inches, clamp 59.5*64.5mm/ 2.34*2.54 inches, exhaust pipe 70mm/ 2.75inches

Compatible models 110B 120B 311 312 312B 311B 

• Engineered for Caterpillar excavators, this OEM-equivalent muffler delivers reliable exhaust system performance across multiple models including the 312, 311, 110, 120, 311B, and 312B.
• Measuring 22 inches in height, this replacement component (5I-7914) meets factory specifications for proper fitment and durability.
• Designed to reduce noise while maintaining optimal engine efficiency, it's an essential maintenance part for operators requiring dependable equipment uptime.
• Direct replacement ensures compatibility without modification.

Orders are delivered within 4–9 business days, including 1–2 business days for processing and 3–7 business days for shipping, depending on the destination and carrier.

We currently ship within the United States only.

Shipping Carriers
We ship via trusted carriers such as FedEx, DHL, and UPS.

Shipping Charges (USA Orders)

Orders over $299: Free shipping.

Orders $299 or below: Flat shipping fee of $28.99.

Return &Refund policy

We want you to be completely satisfied with your purchase. If for any reason you are not, you may request a return within 30 days from the date of delivery.

Return Conditions

• All returns require a Return Authorization Number (RAN), which you can obtain by contacting our customer service team.
• Items must be returned in their original condition and packaging.
• Returns must be shipped back within 30 days after the RAN is issued.
• Customers are responsible for return shipping costs unless the return is due to our error (e.g., incorrect or defective item).

Return Label

• Once your return request is approved, we will provide a return shipping label.
  
• The label can be downloaded and printed from the instructions sent to your email.
  
• The cost of return shipping is the customer’s responsibility, unless the return is due to our error (e.g., incorrect or defective item).

Restocking Fee

• A 10% restocking fee may apply to returns that are not the result of our error.

Defective or Damaged Items

• If your item arrives damaged or defective, please contact us immediately.
• Returned items will be inspected. If confirmed defective, we will, at our discretion:Replace the item at no cost, orIssue a full refund including shipping costs.
• If the item is found to be in working condition, the standard restocking fee may apply.

Non-Returnable Items

• Items damaged due to misuse, alteration, or improper handling cannot be returned or refunded.

How to Request a Return

To request a return, please contact our customer service team with:

• Order number
• Part number & product description
• Photos of the product and packaging
• Reason for return

Refund Processing

• Refunds are issued to the original payment method.
• Please allow 5–10 business days after we receive your return for processing.

Warranty: Our parts are covered for 6 months warranty without limitation on miles or hours of operation. Our parts are warranted on a parts-replacement-only basis. For more information, please view our warranty policy.