HARLEY-DAVIDSON 0935-0146 Cam Umbrella Valve Rocker Cover 10PK

( Brand: Harley-davidson ), ( Manufacturer Part Number: 0935-0146 ), ( Part Type: Valve Cover Cam ), ( Country Of Origin: United States )

Review HARLEY DAVIDSON Cam Umbrella Valve Rocker Cover #0935-0146 fits TWIN 1999–2013

The **Harley-Davidson 0935-0146 Twin Cam Umbrella Valve Rocker Cover** (part number 99-13) is a precision-engineered component designed exclusively for Harley-Davidson s iconic Twin Cam engines, spanning models from the late 1990s through the early 2010s. Crafted from high-quality aluminum alloy, this rocker cover is not only a functional essential but also a stylistic statement, featuring a sleek, aerodynamic design that complements the aggressive, muscle-car-inspired aesthetic of Harley s Twin Cam lineup. The cover is engineered to house the umbrella-style valve rockers, which are a hallmark of the Twin Cam s overhead camshaft (OHC) architecture, ensuring optimal valve operation while protecting the internal components from dirt, debris, and moisture. Each cover is meticulously machined to fit seamlessly over the rocker arms, providing a snug, vibration-dampening seal that minimizes noise and prevents oil leaks critical for maintaining engine performance and longevity. The 10-pack presentation ensures that mechanics, customizers, and enthusiasts have an ample supply for repairs, restorations, or aftermarket builds, whether for stock applications or high-performance modifications. Beyond its technical superiority, this rocker cover embodies the rugged, handcrafted spirit of Harley-Davidson, blending durability with a touch of vintage charm that resonates with riders who appreciate both form and function. Whether installed on a classic Sportster, a powerful Softail, or a high-revving V-Twin cruiser, the 0935-0146 cover stands as a testament to Harley s commitment to timeless engineering and uncompromising quality.

### **Pros and Cons of buying a Harley-Davidson 0935-0146 Twin Cam Umbrella Valve Rocker Cover (99-13, 10-Pack)**

1. **OEM Quality and Fit** This is a genuine Harley-Davidson part, meaning it is designed to match the exact specifications of your motorcycle. It will fit perfectly without modifications and should perform as intended by the manufacturer.

2. **Reliability and Durability** Harley-Davidson parts are built to withstand the demands of heavy use, making this rocker cover a long-lasting component. The umbrella valve design helps protect the valve springs and rocker arms from debris and wear.

3. **Prevents Contamination** The rocker cover acts as a barrier, keeping dirt, dust, and moisture out of the valve train. This helps maintain engine efficiency and prevents premature wear on critical components.

4. **Easy Installation** As a standard replacement part, it should be straightforward to install, especially if you have basic mechanical skills or access to a mechanic. Harley provides service manuals and diagrams to assist.

5. **Compatibility with Aftermarket Mods** If you plan to modify your engine (e.g., porting, cam upgrades), a fresh rocker cover ensures a clean surface for sealing and prevents leaks that could interfere with modifications.

6. **Prevents Oil Leaks** Over time, gaskets in rocker covers can degrade, leading to oil leaks. Replacing it proactively avoids costly engine damage from oil starvation or contamination.

7. **Maintenance Convenience** If you perform regular maintenance, having a new rocker cover ensures you re not working with a worn or damaged part that could fail during disassembly.

---

1. **Cost** Harley-Davidson parts are not cheap. A 10-pack of rocker covers will likely cost significantly more than aftermarket alternatives, which may offer similar performance at a lower price.

2. **Limited Availability of Aftermarket Alternatives** While genuine parts are reliable, some riders prefer aftermarket brands (e.g., **Harley-Davidson Performance, Rotary Motion, or others**) that may offer slight weight savings or different materials. However, these are less common for rocker covers, so you may not find many options.

3. **Installation Requires Engine Disassembly** Replacing a rocker cover means removing the engine from the frame (or at least the cylinder heads), which is a labor-intensive job. If you re not comfortable with this, you ll need to pay a mechanic, adding to the total cost.

4. **Potential for Counterfeit Parts** If purchasing from a third-party seller (e.g., eBay, Facebook Marketplace), there s a risk of receiving fake or low-quality parts. Always verify the seller s reputation and check for authenticity (e.g., matching part numbers, packaging, and Harley s official branding).

5. **Waste if Engine is Already Modified** If your engine has been heavily modified (e.g., custom cams, porting, or valve train upgrades), a stock rocker cover may not be ideal. Some riders opt for aftermarket covers designed for modified setups, though these are rare.

6. **Gasket Replacement Necessary** When installing a new rocker cover, you ll need to replace the gasket (often sold separately) to ensure a proper seal. Forgetting this can lead to leaks.

7. **Time-Consuming Maintenance** Since this is a deep-cycle maintenance task, it may not be practical to do frequently unless you re experiencing issues (e.g., leaks, contamination).

---

The **Harley-Davidson 0935-0146 Twin Cam umbrella valve rocker cover (99-13, 10-pack)** is a **high-quality, reliable OEM part** that ensures proper engine protection and longevity. It is the **best choice for stock or lightly modified engines** where authenticity and durability are priorities. However, the **high cost, labor-intensive installation, and limited aftermarket alternatives** make it less ideal for riders seeking budget-friendly or heavily customized solutions.

If your primary goal is **preventing leaks, maintaining engine cleanliness, or ensuring a perfect fit for stock or minor mods**, this is the **recommended option**. If you re on a tight budget or working with a heavily modified engine, you may explore **aftermarket options** (though they are rare for rocker covers) or consider **delaying replacement** unless symptoms (leaks, contamination) arise.

- You want the **best fit and reliability** for your stock or lightly modified Twin Cam engine.

- You re performing **routine maintenance** and want to replace worn components.

- You re **not concerned about cost** and prefer OEM quality.

- You re **on a tight budget** and can find a reputable aftermarket alternative (though few exist).

- Your engine is **heavily modified**, and you d benefit from a custom rocker cover.

- You **lack mechanical experience** and are unwilling to pay for professional installation.

For most riders who prioritize **long-term engine health and Harley s build quality**, this is a **solid investment**. Just ensure you **source it from an authorized dealer or trusted seller** to avoid counterfeit parts.

Details:

YOU ARE VIEWING A 1999 2013 HARLEY DAVIDSON TWIN CAM UMBRELLA VALVE ROCKER COVER 10PK.

part #: 09350146 prices

• $29.99-$54.72

specifications cyclevintagee:

• for models: Twin
• for makes: Harley
• for years: 1999-2013
• brand: Harley-davidson
• mpn: 0935-0146
• part type: Valve Cover Cam
• country of origin: United States

seller cyclevintagee:

• city: Milwaukee, Wisconsin
• # reviews: 20865
• rating: 99.8%

offer cyclevintagee:

• started: February 14, 2026
• quantity: 1
• sold: 0
• availability: In Stock
• best offers: True
• options: Ship-to-home

returns cyclevintagee:

• policy: Returns Accepted
• paid by: Buyer
• time: 30 Days

payments cyclevintagee:

• other
• wallet: Google-pay
• cash
• credit card: Diners-club

general cyclevintagee:

• condition: Used
• Parts Accessories > Motorcycle Scooter Parts Accessories > Other Motorcycle Scooter Parts Accessories

shipping cyclevintagee:

• service: UPS Ground
• type: Fixed
• cost: $9.99
• carrier: UPS
• transit: 5-10 Days
• class: Standard

Harley-davidson 0935-0146 Is Similar To:

• 1 27125-70p 1 Aermacchi Harley-davidson 1970 Harley Rapido-125cc (37.6% similar) Carb dirty needs rebuild probably has been sitting for years as pictured any questions ask thanks...(February 25th, 2018)
• 265-24 265-24 Harley Davidson 1924 Dcb (27.6% similar) Part 1LB OS set of rings fits 1924 to motors there is no rust 1937 twins compression 4 per box offer for 2 boxes. 1924 CB motors new old stock in box piston rings...(January 4th, 2018)
• 33701-71a 33701-71a Harley-davidson Sportster-xlch New Old (28% similar) Sportswear-zilch new old stock sprocket assembly. It is original harley and fits. Part 71A 10LBS. This is for kick and electric start. This is hard to find...(November 15th, 2017)
• 3371-36 3371-36 Harley-davidson Harley Davidson Throttle (32.6% similar) This is a throttle cable bracket for 1936-UP harley Davidson's. I also have one un chromed. It has been chromed...(November 25th, 2017)
• 41483-66p Dixie Nos Harley Davidson Aermacchi Tooth Wheel Sprocket (31.8% similar) Harley davidson armchair rear sprocket 27 65P later new old stock...(June 5th, 2018)
• 46050-59a 46050-59a Harley-davidson Topper New Old (34.1% similar) Topper new old stock in box front fork spring kit original end fits there is no rust comes with bolt and spacer great. Part 59A 2LB...(December 25th, 2017)
• 62129-75 Harley Davidson Gas Petcock (33.1% similar) Going through boxes listing as they come out. Will combined ship. Fuel line straight down. More to come. Needs a good cleaning came off original mid 70S preclude tank single passages are, has factory nut and filter. Selling all harley parts packed away 20 yrs ago...(July 23rd, 2017)
• 6524 X 19 6524 Harley-davidson Harley (32.8% similar) Do not pay before I have a chance to box and weigh. Genuine original nos x 19 1/6 4, plain steel washers. Thanks, zeal. All questions answered within 24 hours. I ship worldwide. Also work great for chiming motor mounts. I will use USPS and ship the cheapest way possible...(September 14th, 2017)
• 68549-73p 68549-73p Aermacchi Harley-davidson 1975 Harley (26.8% similar) ...(July 27th, 2017)
• 70271-98cp Daytona Harley Davidson Chrome Switch Kit Cruise Acc Spot Speaker (27.3% similar) Chrome switch kit 98CP acct, spot, speakers, cruise as-is no returns...(November 19th, 2018)
• 0000-00 Harley-davidson Harley 1977-80 Under (39.1% similar) Does not include any hardware. This is used condition. What you see is get. May have other superficial imperfections. Any questions please send me messages. If you overlook something or do not read the good. Please rate my effort. This ad is for all that you see in the images and nothing more. And I...(September 13th, 2017)