Cummins - Washer - 3278499
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You have 30 days to request a return. All sale items are final sale.
The Cummins 3278499 Washer is a replacement washer used on compatible Cummins engine assemblies where this part number is specified. Washers are small but important service parts that help support proper fastener seating, load distribution, spacing, or sealing depending on the installation location.
Key Features
- Replacement Cummins washer
- Used where 3278499 is specified in the Cummins parts breakdown
- Supports proper fastener fit, spacing, or load distribution
- Suitable for maintenance, rebuild, and component repair work
- Recommended when the original washer is worn, damaged, missing, or distorted
Engine Compatibility
For Cummins applications that call for washer 3278499. Confirm fitment by engine model, component assembly, and original parts diagram before ordering.
Serial Number Fitment Notice
Cummins washers can vary by diameter, thickness, material, and application location. Always verify against the engine serial number or parts manual before installation.
When This Part Needs Replacement
Replace this washer if it is bent, cracked, worn, corroded, flattened, grooved, heat-marked, or missing. It should also be replaced when the service procedure specifies a new washer during reassembly.
Installation Notes
Install in the correct location shown in the parts breakdown. Inspect the related fastener, mating surface, and component seat before reassembly. Tighten hardware evenly and to the correct Cummins service specification.
Alternate/Superseded Part Numbers
- 3278499
Parts Desk Insight
Small washers are easy to overlook, but the wrong thickness or diameter can affect clamping, alignment, or sealing. Matching the exact Cummins part number is the safest way to keep the repair correct.
Shipping: Ships same or next day for fast Canada wide shipping. ⚓
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 3–4 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.