EMP Tune-up Kits - Tune Up Kit With Cap | 300-03074
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You have 30 days to request a return. All sale items are final sale.
EMP V8 Delco EST Tune-Up Kit with Cap 300-03074
EMP 300-03074 is a replacement V8 Delco EST Tune-Up Kit with Cap for the application below.
Product Compatibility
For compatible GM-based V8 MerCruiser, OMC and Indmar installations using Delco EST ignition.
Replacement References
MerCruiser 808483Q1 and 808483T2; Indmar S496083; Sierra 18-5281
Fitment and Installation
Confirm the complete engine or drive model, serial number and original part reference before ordering. Follow the manufacturer service procedure for installation, adjustment and testing.
Parts Desk Insight
An EST kit is not an HVS or Thunderbolt kit. Match the distributor family and cylinder count before ordering service parts.
Manufacturer Parts Catalog
- Brand: EMP
- Manufacturer part #: 300-03074
- Sold as: EA
Shipping information
In-stock and OEM parts: ship same or next business day.
Available items are ready for pickup or shipping between one and three 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.