Donaldson P780523 RadialSeal™ Safety Air Filter – Secondary Element for MTZ, CLAAS & Heavy-Duty Equipment
Donaldson P780523 RadialSeal™ Safety Air Filter – Secondary Element for MTZ, CLAAS & Heavy-Duty Equipment is backordered and will ship as soon as it is back in stock.
Delivery and Shipping info
Delivery and Shipping info
Standard & Express Options
- Standard Shipping (2-4 Days):
For domestic orders under £50, a flat-rate shipping fee of £4.99 on eligible UK mainland orders and product types. - Express Shipping:
Need it urgently? Upgrade to Express delivery for just £6.99 on eligible UK mainland orders and product types placed before 2pm. - Important Exceptions: Large Equipment &
International Orders
Returns
Returns
Start Your Return Online (Recommended)
- Log In: Sign into your account on our website.
- Select Order: Navigate to your order history and select the item you wish to return.
- Initiate Return: Follow the simple prompts to start your return.
Donaldson P780523 RadialSeal™ Safety Air Filter – Secondary Element...
Protect your heavy-duty diesel engine with the Donaldson P780523, a premium RadialSeal™ safety (secondary) air filter element engineered for tractors, combines, and agricultural machinery operating in high-dust environments . This ISO 5011-certified safety filter serves as a critical backup to the primary element, preventing contaminants from entering the clean side of the air intake system during primary filter servicing or in the event of primary filter damage .
Features Donaldson's RadialSeal™ leak-proof sealing technology for positive, reliable installation. Cylindrical design with 376.7mm length, 108.5mm outer diameter, and 87.6mm inner diameter . Designed as the secondary inner element and must be used with the corresponding primary outer filter P780522 for MTZ applications or P781678 for compatible CLAAS/New Holland models .
Vehicle Fitment:
*Designed for use with outer primary filter P780522 (MTZ) or P781678 (CLAAS/CNH) . Always verify fitment using your machine's specific model, year, and serial number before ordering.*
Product Specifications:
OEM & Aftermarket Cross-References:
Why Choose Donaldson P780523?
Donaldson is a world leader in filtration technology for over 100 years, trusted by OEM manufacturers globally for agricultural, construction, and heavy-duty applications . The P780523 is a safety (secondary) air filter element with two critical functions :
-
Backup protection – Serves as a failsafe in case of primary filter damage or improper installation
-
Engine protection during servicing – Prevents contaminants from entering the clean side of the air intake system when the primary filter is removed for maintenance
RadialSeal™ technology ensures a leak-proof, positive seal that prevents unfiltered air bypass – a critical feature for secondary elements that serve as the final line of defence against contaminant ingestion . Tested to ISO 5011 standards for certified filtration performance .
⚠️ Important: This is a safety / secondary element. Donaldson recommends that safety filters be replaced with every third primary filter change, unless there has been a failure of the primary filter, in which case immediate replacement is required . Never operate equipment with only the safety element installed.
Genuine Donaldson replacement components are designed to meet or exceed original equipment specifications. Trust the original.
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
