DiigParr 190-5781 1905781 Muffler Fits for CAT Caterpillar 307C 307D 305.5 308C 308D Excavator, Diameter 245 MM

Part number: 190-5781, 1905781

Engine: 4M40

Dimension:

Diameter 245 mm, Height 530 mm

Air inlet 48 mm, Air outlet 80 mm

Compatible equipment models: 

MINI HYD EXCAVATOR 305.5 306 307C 307D 308C 308D Fits for Caterpillar

• This OEM-equivalent muffler is engineered for Caterpillar compact excavators, delivering reliable exhaust system performance across the 307C, 307D, 305.5, 308C, and 308D models.
• With a 245 MM diameter design, it meets original specifications for proper fitment and acoustic control.
• Built to withstand demanding jobsite conditions, this component ensures your equipment operates at peak efficiency while maintaining emissions compliance.
• Direct replacement for part number 190-5781, simplifying procurement and minimizing downtime during maintenance cycles.

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.