---
The Lippert Waste Master Replacement Donut Seal For Nozzle On RV Sewer Hose #340919 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. FITS MOST SEWER INLETS — The Lippert Waste Master replacement donut seal is engineered to fit 90% of sewer inlets, providing you with the versatility you need for almost any camping si COMPATIBLE WITH WASTE MASTER SYSTEM — This replacement donut seal is specifically designed to be used with the Waste Master sewer nozzle or Waste Master sewer kit, ensuring seamless integration a
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: FITS MOST SEWER INLETS — The Lippert Waste Master replacement donut seal is engineered to fit 90% of sewer inlets, providing you with the versatility you need for almost any camping situation LEAK-PROOF CONNECTION — Ensure a clean and hassle-free camping experience with the Waste Master donut seal, designed to provide a leak-proof connection for your RV's sewer system COMPATIBLE WITH WASTE MASTER SYSTEM — This replacement donut seal is specifically designed to be used with the Waste Master sewer…
Features & Specifications
- Brand: Lippert
- ERVP SKU: 340919
- Manufacturer / cross-reference part: 340919
- Product family: Lippert RV replacement parts
- Application: replacing a worn sealing or support 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 replacement parts
Not sure which lippert rv replacement parts listing matches your repair? Start with the part number and application, then compare nearby options below.
| Model / Part | Category | Best For | View Details |
|---|---|---|---|
|
Waste Master Replacement Donut Seal For Nozzle On RV Sewer Hose #340919 340919 |
Holding Tank Parts | replacing a worn sealing or support component | Current Product |
| Waste Master Tote Tank Adapter Kit For RV Sewer Hose #360789 360789 |
Holding Tank Parts | replacing the original part with the matching OEM-style component | View Details |
| Waste Master Replacement Double Female Cam Lock Fitting For RV Sewer Hose #363201 363201 |
Holding Tank Parts | replacing a broken refrigerator storage lock | View Details |
| Waste Master Replacement Seal Kit For Nozzle On RV Sewer Hose #360807 360807 |
Holding Tank Parts | replacing a worn sealing or support component | 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 Waste Master Replacement Donut Seal For Nozzle On RV Sewer Hose #340919 |
| SKU | 340919 |
| Part number | 340919 |
| Product type | Holding Tank Parts |
| Fitment caution | Model-specific; verify against your original label or parts diagram. |
What's Included
Includes the Waste Master Replacement Donut Seal For Nozzle On RV Sewer Hose #340919 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 340919 or part number 340919 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) | 6 |
|---|---|
| Height (inches) | 6 |
| Length (inches) | 6 |
| Physical weight (pounds) | 1 |
| Dimensional weight (pounds) | 1.3 |
- What rv sewer hose systems is this replacement donut seal compatible with? This replacement donut seal is specifically designed for use with the Lippert Waste Master sewer nozzle or Waste Master sewer kit.
- Will this donut seal fit my rv sewer inlet? Yes, the Lippert Waste Master replacement donut seal is engineered to fit 90% of sewer inlets, making it highly versatile for most RVs.
- Does this product include the waste master sewer nozzle or kit? No, this product is just the replacement donut seal and does not include the Waste Master sewer nozzle or sewer kit.
- What are the benefits of using the waste master replacement donut seal? The donut seal provides a leak-proof connection for your RV sewer system, ensures a clean and hassle-free camping experience, and is easy to replace with exact-match parts.
- How does the waste master hose design help with cleanliness? The Waste Master hose features a helical coil on the outside with a smooth interior, which prevents waste buildup and makes cleanup easier compared to traditional hose coils.
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.










