Description
Overview:
This O-Ring 5.1 x 1.6 (Viton, 90 Shore) is a genuine Nilfisk seal for high-pressure water systems in Nilfisk pressure washers, including C105 and C110. Manufactured from FKM (Viton) elastomer, it offers strong resistance to detergents, oils, fuels, and ozone, and remains stable at elevated temperatures. It maintains a tight seal to prevent leaks and pressure loss in critical joints. Dimensions are 5.1 mm inner diameter x 1.6 mm cross-section, with an approximate outer diameter of 8.3 mm. Supplied as an original equipment part (OEM No. 3004304), it is a direct-fit replacement in the correct groove size, supporting reliable performance and straightforward servicing for both trade and home users.
Key Features:
- Genuine Nilfisk part for assured compatibility and performance (OEM 3004304)
- Size: 5.1 mm ID x 1.6 mm CS (approx. 8.3 mm OD) for accurate groove fit
- Viton (FKM) elastomer, 90 Shore A hardness for stability under pressure and heat
- Strong resistance to detergents, oils, fuels, and ozone for long service life
- Helps prevent leaks and pressure drop across fittings and connections
- Low compression set to maintain seal integrity over repeated cycles
- Simple, like-for-like replacement during routine maintenance
- Suitable for professional and DIY servicing schedules
- Supports efficient washer operation by keeping joints leak-free
Typical Applications:
Used to replace worn or damaged seals in Nilfisk pressure washer pump heads, gun and lance joints, quick-connect couplings, and hose interfaces. Ideal for restoring sealing performance after routine maintenance or when diagnosing leaks and pressure fluctuations on residential and light commercial machines.
Also known as:
FKM seal ring 5.1 x 1.6, 90 Shore A O‐ring, sealing ring for high-pressure washers, Nilfisk washer seal, metric O‐ring 5.1 ID x 1.6 CS, OEM 3004304 sealing ring.
Fits Models:
C 110.4-5 PCD X-TRA, C 110.7-5 PC X-TRA, C 110.7-5 PCA X-TRA, C 110.7-5 PCD X-TRA, C 110.7-5 X-TRA, C 120.7-6, C 120.7-6 PCA, C 125.7-6 PCA X-TRA, C 125.7-6 PCAD X-TRA, C 125.7-6 X-TRA, C 125.7-8 PCAD, C-PG 130.2-8, C-PG 130.2-8 P, C-PG 130.2-8 P XTRA, C-PG 130.2-8 PCA X-TRA, C-PG 130.2-8 PCCAR X-TRA, C-PG 130.2-8 PCDI, C-PG 130.2-8 PCDI XTRA, C-PG 130.2-8 PCI, C-PG 130.2-8 PCI XTRA, C-PG 130.2-8 X-TRA, C105, C105 7-5, C10575, C110, C120, C125, C130, C135, C135.1-6i PAD X-Tra, C135.1-6i X-Tra, D-PG 130.4-9, D-PG 140.4-9 P Xtra, D-PG 140.4-9 Xtra, D130.4-9 PAD, D140.4-9 DP X-Tra, D140.4-9 P X-Tra, D140.4-9 PAD X-Tra, D140.4-9 X-Tra, E 130.3-9 P X-TRA, E 140.3-9 PAD, E 140.3-9 PAD PLUS X-TRA, E 140.3-9 PAD X-TRA, E 140.3-9 Power X-TRA, E 140.3-9 X-TRA, E 145 4-9 POWER X-TRA, E 145.3-10 H X-TRA, E145.4-9 P X-Tra, E145.4-9 PA X-Tra, E145.4-9 PAD X-Tra, E145.4-9 POWER X-Tra, E145.4-9 X-Tra, E150.2-10 H X-Tra, E160.1-10 H X-Tra, PREMIUM 200-15, PREMIUM 200-15 CAR WASH, PREMIUM 200-15 GARDEN
Product Specifications
| L&S Part No. | NIL3004304 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Nilfisk |
| OEM No. | 3004304 |
| Unit of Sale | 1 |
| Applications | C 110.4-5 PCD X-TRA, C 110.7-5 PC X-TRA, C 110.7-5 PCA X-TRA, C 110.7-5 PCD X-TRA, C 110.7-5 X-TRA, C 120.7-6, C 120.7-6 PCA, C 125.7-6 PCA X-TRA, C 125.7-6 PCAD X-TRA, C 125.7-6 X-TRA, C 125.7-8 PCAD, C-PG 130.2-8, C-PG 130.2-8 P, C-PG 130.2-8 P XTRA, C-PG 130.2-8 PCA X-TRA, C-PG 130.2-8 PCCAR X-TRA, C-PG 130.2-8 PCDI, C-PG 130.2-8 PCDI XTRA, C-PG 130.2-8 PCI, C-PG 130.2-8 PCI XTRA, C-PG 130.2-8 X-TRA, C105, C105 7-5, C10575, C110, C120, C125, C130, C135, C135.1-6i PAD X-Tra, C135.1-6i X-Tra, D-PG 130.4-9, D-PG 140.4-9 P Xtra, D-PG 140.4-9 Xtra, D130.4-9 PAD, D140.4-9 DP X-Tra, D140.4-9 P X-Tra, D140.4-9 PAD X-Tra, D140.4-9 X-Tra, E 130.3-9 P X-TRA, E 140.3-9 PAD, E 140.3-9 PAD PLUS X-TRA, E 140.3-9 PAD X-TRA, E 140.3-9 Power X-TRA, E 140.3-9 X-TRA, E 145 4-9 POWER X-TRA, E 145.3-10 H X-TRA, E145.4-9 P X-Tra, E145.4-9 PA X-Tra, E145.4-9 PAD X-Tra, E145.4-9 POWER X-Tra, E145.4-9 X-Tra, E150.2-10 H X-Tra, E160.1-10 H X-Tra, PREMIUM 200-15, PREMIUM 200-15 CAR WASH, PREMIUM 200-15 GARDEN |
| Machine Type | Pressure Washers |
| Fits Brands | Nilfisk |
| Fits Models | D-PG 140.4-9 P Xtra | D-PG 140.4-9 Xtra | D140.4-9 DP X-Tra | D140.4-9 P X-Tra | D140.4-9 PAD X-Tra | D140.4-9 X-Tra | E145.4-9 P X-Tra | E145.4-9 PA X-Tra | E145.4-9 PAD X-Tra | E145.4-9 POWER X-Tra | E145.4-9 X-Tra | E150.2-10 H X-Tra | E160.1-10 H X-Tra | D-PG 130.4-9 | D130.4-9 PAD | PREMIUM 200-15 | PREMIUM 200-15 CAR WASH | PREMIUM 200-15 GARDEN | E 130.3-9 P X-TRA | E 140.3-9 Power X-TRA | E 140.3-9 X-TRA | E 145 4-9 POWER X-TRA | E 140.3-9 PAD | E 145.3-10 H X-TRA | E 140.3-9 PAD X-TRA | E 140.3-9 PAD PLUS X-TRA | C105 7-5 | C 110.4-5 PCD X-TRA | C 110.7-5 PC X-TRA | C 110.7-5 PCA X-TRA | C 110.7-5 X-TRA | C 120.7-6 | C 120.7-6 PCA | C 125.7-6 PCA X-TRA | C 125.7-6 PCAD X-TRA | C 125.7-6 X-TRA | C 125.7-8 PCAD | C135.1-6i PAD X-Tra | C135.1-6i X-Tra | C-PG 130.2-8 | C-PG 130.2-8 PCI | C 110.7-5 PCD X-TRA | C-PG 130.2-8 P | C-PG 130.2-8 P XTRA | C-PG 130.2-8 PCA X-TRA | C-PG 130.2-8 PCCAR X-TRA | C-PG 130.2-8 PCDI | C-PG 130.2-8 PCDI XTRA | C-PG 130.2-8 PCI XTRA | C-PG 130.2-8 X-TRA |
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