Prevent engine oil loss with our premium Crankshaft Lip Seal 21496591 (VOE21496591). Sized at 74x95x11mm for VOLVO EC210B, EC210C, and EC220D excavators running D4/D6/D7 engines, this high-temperature fluororubber (FPM) seal offers direct interchangeability with VOE20459168. Built to withstand punishing quarry friction and heat splits. Factory-direct wholesale pricing with international delivery. Request a bulk quote today!
Our Premium Heavy‑Duty Crankshaft Lip Seal (Part Number: 21496591 / VOE21496591) is a high‑precision radial shaft oil seal engineered to meet strict oil retention requirements of heavy‑duty industrial diesel engines. Optimized for VOLVO D4, D6 and D7 engine platforms (including widely deployed D6D, D6E and D7D variants), this lip‑type seal forms a reliable barrier at the rear crankshaft interface. It prevents crankcase lubricant leakage into the flywheel / bell housing assembly, maintaining stable engine oil pressure and a clean transmission‑side environment free from contamination.
Premium Viton / Fluororubber (FPM) Compound: Manufactured from high‑grade FPM/Viton fluororubber compound, delivering outstanding resistance to chemical degradation, synthetic engine oils and high frictional heat.
Hydrodynamic Helix Lip Design: Features a precision‑molded dynamic sealing lip with bidirectional hydrodynamic helix geometry. This active design pumps leaked lubricant back into the crankcase interior during high‑RPM crankshaft rotation.
Garter Spring Radial‑Force Stabilization: Equipped with a high‑tensile stainless steel garter spring that applies even radial sealing pressure around the crankshaft, preserving consistent sealing performance even under cold‑temperature thermal contraction.
Precision Heat‑Accommodating Geometry: Precision‑profiled to dimensions 74 mm × 95 mm × 11 mm, engineered to withstand torsional mechanical stress and ambient temperatures ranging from ‑40°C up to peak 220°C (continuous operating temperature up to 180°C).
| Engineering Parameter | Technical Data / Specification Details |
|---|---|
| Component Base Part Number | 21496591 / VOE21496591 |
| Historical / Alternative Cross‑Refs | 20459168 / VOE20459168 |
| Complementary Front‑End Seal | Front Crankshaft Seal (21628356) |
| Base Material | High‑Temperature‑Resistant Fluororubber (FPM / Viton) |
| Nominal Dimensions | 74 mm ID × 95 mm OD × 11 mm Thickness |
| Primary Sealing Application | Rear Crankshaft Lubricant Containment |
1) VOLVO Crawler & Wheeled Excavators (B, C, D‑Series):
Utility & Mid‑Sized Units: EC135B, EC140B, EC160B, EC180B, EC200B
High‑Volume Global Infrastructure Models: EC210B, EC210C (D6‑engine mainstream fleets)
Mid‑Generation Production Machinery: EC220D, EW210C
Short‑Swing Variants: ECR145 and regional wheeled excavator models.
2) VOLVO Wheel Loaders (L‑Series):
Compact & Mid‑Sized Handling Machines: L45G, L50F, L50G
Heavy Production Fleet Loaders: L60F, L70F
3) Industrial & Power‑Unit Applications:
Volvo Penta stationary power units and commercial marine engines built on D4/D6/D7 engine platforms.
| Brand / Series | Cross‑Reference Part Numbers |
|---|---|
| VOLVO Current Production PN | 21496591 / VOE21496591 |
| VOLVO Historical Supersession PN | 20459168 / VOE20459168 |
All manufacturer names, model series, and part numbers are used for identification purposes only. This crankshaft lip‑type oil seal is engineered for VOLVO D4/D6/D7 engine platforms. For custom shaft‑size configurations or special sealing requirements, please consult our technical team for tailored solutions.