Restore complete cylinder compression and maximize fuel efficiency with our premium Engine Intake Valve 21889634 (VOE21889634). Precision-forged from heat-resistant alloy steel for VOLVO EC210B, EC240B, and EC290B excavators running D6D/D6E engines, this inlet valve ensures an absolute airtight seal under severe quarry workloads. Ideal for top-end cylinder head overhauls. Factory-direct B2B wholesale pricing with international delivery options. Request a volume quotation today!
Premium Heavy‑Duty Engine Intake Valve (21889634 / VOE21889634) — Cylinder Head Combustion Control Component
Our Premium Heavy‑Duty Engine Intake Valve (Part Number: 21889634 / VOE21889634) is a precision‑manufactured valvetrain part that controls air‑fuel mixture intake into engine combustion chambers. Installed in the cylinder head, it is designed for VOLVO D6D, D6E, D7D and D7E 6‑cylinder diesel engines. Withstanding high‑temperature combustion cycles, gas‑flow impact and continuous mechanical stress, it maintains tight compression‑stroke sealing to preserve engine power output and improve combustion efficiency.
Core Technical Advantages
Heat‑Resistant High‑Alloy Steel Forging: Premium martensitic‑austenitic alloy steel resists thermal deformation, valve‑face recession and high‑temperature oxidation under harsh combustion conditions.
Induction‑Hardened Chrome‑Plated Valve Stem: Nitrided and hard‑chrome‑coated stem surface reduces friction with valve guides, minimizing abrasive wear and preventing stem seizure.
Precision‑Ground Sealing Surface: Exact‑tolerance valve‑face angle matches the cylinder‑head seat perfectly, providing stable compression sealing and efficient heat dissipation.
Fatigue‑Optimized Valve‑Head Structure: Smooth stress‑relief transition between stem and head absorbs repeated rocker‑arm impact, avoiding fatigue cracking or breakage during long‑term operation.
Technical Specifications
| Engineering Parameter | Technical Data / Specification Details |
|---|---|
| OEM Part Number | 21889634 / VOE21889634 (Alternative PN: 218896344) |
| Component Type | Cylinder‑Head Intake Valve |
| Core Material | High‑Grade Heat‑Resistant Alloy Steel |
| Full‑Engine Quantity | 12 intake valves for standard 6‑cylinder 24‑valve engine |
| Compatible Engine Series | VOLVO D6D, D6E, D7D, D7E & industrial power‑generation engines |
Master Application Fleet Guide
1) VOLVO B‑Series Crawler Excavators (D6‑/D7‑Engine Platforms):
Mid‑Size Construction Excavators: EC140B, EC160B, EC180B, EC200B, EC220D
Global High‑Volume Excavators: EC210B
Heavy‑Duty Quarry Excavators: EC240B, EC290B
Intake‑valve failure causes compression loss, hard starting, excessive blow‑by, power drop and rough idling. During engine top‑end overhaul, replace all 12 intake valves together with valve guides, stem seals and valve springs. Always grind valve seats to ensure perfect sealing contact. Verify machine Serial Number (S/N) and engine code against the official VOLVO parts catalog before bulk‑order procurement for full compatibility.
Global Brand Cross‑Reference Matrix
| Brand | Cross‑Reference Part Numbers |
|---|---|
| VOLVO OEM | 21889634 / VOE21889634 / 218896344 |
Supplier: Xuzhou Sinoswift Import & Export Co., Ltd.
Contact: +86 13701956981
Email: [email protected]
Logistics: Global Sea Freight and Fast‑Track Industrial Express Ready
All manufacturer names, model series and part numbers are used for compatibility reference only. This intake valve is engineered for VOLVO D6‑/D7‑series diesel engine platforms. For custom‑configured valvetrain layouts or special‑spec material requirements, please consult our technical team for tailored solutions.