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The Lippert RV Slide-Out Stop Can Assembly #122840 is for RV owners, mobile technicians, and dealers replacing a specific failed or missing component rather than guessing from a universal part. It solves the common repair problem of finding the exact Lippert service part with the right SKU, cross-reference, and application notes in one place.
Use this page to confirm the part number, function, and product family before ordering. If your original component has a different model number, refrigerant generation, size, finish, control style, or hardware configuration, choose the matching option in the comparison table or use AI Live Chat before buying.
Original product note: EASY STOP CAN ADJUSTMENT FOR SEAL LOCATION — The stop can assembly allows for easy adjustment of your slide-out seal's location. With a simple screw-in or out motion and nut tightening, you can precisely change the seal's position as needed, ensuring a custom fit PRECISION-ENGINEERED ELECTRIC SLIDE-OUT GEAR — Engineered for seamless movement, the electric slide-out gear ensures consistent operation. Its pre-assembled design facilitates convenient timing adjustments, simplifying the installation …
Features & Specifications
- Brand: Lippert
- ERVP SKU: 122840
- Manufacturer / cross-reference part: 122840
- Product family: Lippert RV slide-out parts
- Application: servicing a Lippert RV slide-out system with the correct matching component
- Order check: compare the original part label and appliance model before installation.
Why Choose This Lippert Replacement Part?
This is the safer buy when you need the matching service component for a Lippert RV appliance, accessory, or RV system and do not want to gamble on a generic substitute. The key trade-off is fitment: replacement parts in this catalog are usually model-specific, so the right part number matters more than the product photo alone.
Compare Lippert RV slide-out parts
Not sure which lippert rv slide-out parts listing matches your repair? Start with the part number and application, then compare nearby options below.
| Model / Part | Category | Best For | View Details |
|---|---|---|---|
|
RV Slide-Out Stop Can Assembly #122840 122840 |
Slide-Out Components | servicing a Lippert RV slide-out system with the correct matching component | Current Product |
| Replacement RV Slide-Out J-38 Service Roller #320500 320500 |
Slide-Out Components | servicing a Lippert RV slide-out system with the correct matching component | View Details |
| Dual Room Slide-Out Controller With Programmable Stop 388189 |
Slide-Out Components | replacing a failed AC control module after matching the system generation | View Details |
| Replacement In-Wall Slide-Out Controller V-Sync Ii #13398-DO 211852 |
Slide-Out Components | replacing a failed AC control module after matching the system generation | View Details |
Tip: do not substitute across control generations, appliance sizes, finishes, refrigerant types, or model families unless the manufacturer documentation says the parts interchange.
Technical Specifications
| Product title | Lippert RV Slide-Out Stop Can Assembly #122840 |
| SKU | 122840 |
| Part number | 122840 |
| Product type | RV Slide-Out Parts |
| Fitment caution | Model-specific; verify against your original label or parts diagram. |
What's Included
Includes the RV Slide-Out Stop Can Assembly #122840 shown in this listing. It does not include the full appliance, unrelated mounting hardware, wiring, trim, or companion parts unless those items are specifically named in the product title or manufacturer description.
Compatible Models & Alternatives
For adjacent repairs, compare the verified Lippert options above or browse the related product links in the table. When replacing AC controls, range parts, refrigerator pieces, cameras, remotes, slide-out parts, awning hardware, or microwave components, match the model number first; similar-looking parts may not interchange.
Frequently Asked Questions
- How do I know this is the right Lippert part?
- Match the SKU 122840 or part number 122840 to the label on your original component, the appliance data sticker, or the manufacturer parts diagram.
- Can I choose this by appearance alone?
- No. RV appliance, accessory, and system parts often look similar across model years, but controls, mounting points, finishes, and electrical specs can differ.
- What should I pair with this part?
- Most buyers pair it with their original screws, brackets, harnesses, or appliance housing unless the listing says new hardware is included. Replace worn filters, gaskets, or companion service parts at the same time only when your model calls for them.
- What if my model number is different?
- Use the comparison table and part number as a starting point, then verify before ordering. If the number does not match, use AI Live Chat with your model label so the correct option can be checked.
Why Buy from Elkhart RV Parts?
Elkhart RV Parts focuses on hard-to-find RV service parts and keeps listings organized around the details that matter: brand, SKU, part number, application, and fitment warnings. That makes it easier to order the right component the first time.
| Width (inches) | 4 |
|---|---|
| Height (inches) | 4 |
| Length (inches) | 6 |
| Physical weight (pounds) | 1 |
| Dimensional weight (pounds) | 0.58 |
- What components are included in the lippert rv slide-out stop can assembly #122840? The assembly includes one stop can tube and one stop can plug, providing a complete replacement for your RV slide-out system.
- Is the lippert rv slide-out stop can assembly easy to install? Yes, this product is designed for easy, DIY installation and is an exact-match component that installs just like the original equipment.
- How does the stop can assembly help with my rv slide-out seal? The stop can assembly allows you to adjust the slide-out seal's location by screwing the stop can in or out and tightening the nut, helping to protect your RV from water damage.
- Is this stop can assembly compatible with all rv slide-outs? This stop can assembly is specifically designed for Through-Frame RV slide-outs. Please reference your owner's manual to ensure compatibility before purchase.
- Does the stop can assembly require any additional parts for servicing? No additional parts are required as the assembly is complete and serviceable with readily available parts, making maintenance straightforward and convenient.
Factory-Fresh OEM Parts — the same brands installed in new RVs straight from Elkhart. Genuine, name-brand components made to order — never generic, never outdated. Sourced directly from the original RV manufacturers for perfect fit and factory-level quality.









