Donaldson P521686 Air Filter
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P521686
Donaldson

Donaldson P521686 Heavy-Duty Air Filter

$37.35
$54.71 Sale $37.35

Description

Experience unparalleled performance and reliability with the Donaldson P521686 air filter—a robust solution engineered to keep your Caterpillar equipment operating at its best. Constructed with durability and quality in mind, this genuine air filter is ideal for both enthusiasts and professional drivers. Purchase the Donaldson P521686 air filter with assurance, and shop online for a proven, dependable performance upgrade.

Key Benefits

• Genuine, brand-new product designed for optimal performance
• Rapid shipping—typically dispatched within 1 business day
• No minimum order requirement for flexible purchasing
• Built for heavy-duty applications and enhanced durability
• Trusted quality supported by decades of experience in aftermarket parts

Technical Details

• Outer Diameter: 22.4 inches (568.96 mm)
• Inner Diameter: 21.9 inches (556.26 mm)
• Length: 23.97 inches (608.84 mm)
• Cross-references: BALDWIN PA3633FOAM, Caterpillar 4W7103
• Manufactured in the United States, adhering to stringent quality standards

Fit & Application

Optimized for Caterpillar models—including those in the 4W7103 series—this air filter is perfect for heavy-duty and demanding operational environments. Boost your vehicle’s performance and longevity with a filter that meets both rigorous technical specifications and the highest performance standards.

For more premium air filter options, explore our Air Filters collection.

Attributes

Manufacturer Brand Name Donaldson
Outer Diameter 22.4 in
Length 23.98 in
Type Primary
Style Wrap

Other Information

UPC Code 742330033135

Packaged Dimensions

Packaged Length 9.90 in
Packaged Weight 1.07 lb (0.486 kg)
Packaged Volume 0.80 ft3 (0.022 m3)

Experience unparalleled performance and reliability with the Donaldson P521686 air filter—a robust solution engineered to keep your Caterpillar equipment operating at its best. Constructed with durability and quality in mind, this genuine air filter is ideal for both enthusiasts and professional drivers. Purchase the Donaldson P521686 air filter with assurance, and shop online for a proven, dependable performance upgrade.

Key Benefits

• Genuine, brand-new product designed for optimal performance
• Rapid shipping—typically dispatched within 1 business day
• No minimum order requirement for flexible purchasing
• Built for heavy-duty applications and enhanced durability
• Trusted quality supported by decades of experience in aftermarket parts

Technical Details

• Outer Diameter: 22.4 inches (568.96 mm)
• Inner Diameter: 21.9 inches (556.26 mm)
• Length: 23.97 inches (608.84 mm)
• Cross-references: BALDWIN PA3633FOAM, Caterpillar 4W7103
• Manufactured in the United States, adhering to stringent quality standards

Fit & Application

Optimized for Caterpillar models—including those in the 4W7103 series—this air filter is perfect for heavy-duty and demanding operational environments. Boost your vehicle’s performance and longevity with a filter that meets both rigorous technical specifications and the highest performance standards.

For more premium air filter options, explore our Air Filters collection.

(OEM) Cross Reference

Manufacturer Name Manufacturer Part # Notes
CATERPILLAR 4W7103

Equipment

Equipment Year Equipment Type Equipment Options Engine Engine Option

Frequently Asked Questions

Feel Free To Ask Anything!

What payment methods do you accept for online purchases?

We accept all major credit cards, PayPal, Shop Pay, and Apple Pay for your convenience. Once your order ships, you'll receive a tracking number via email.

How long does shipping usually take?

In stock items typically ship in 24-48 hours. Out of stock items can take longer.

Can I return an item if I'm not satisfied?

Yes, we have a 30-day return period. You can view our Return & Refund Policy page for more details - Return & Refund Policy.

Do you offer gift cards?

Yes! They are the perfect gift for those times when you don't know exactly what to get or need something at the last minute. Great for any time of the year as well as those special occasions. Our Gift Cards come in $25, $50, $100, $250 and $500 denominations. And they never expire!

Visit our Gift Card page for more details - Gift Cards.

Can I track my order after it's been placed?

Yes. Once your order has shipped, you will be emailed the tracking information. Additionally, we will email you a delivery confirmation email once your order shows that it has been delivered.

What should I do if I receive a damaged item?

If your shipment is damaged, please reach out to our Customer Support team at 888-292-9012 or email us at info@everythingtruckparts.com. You may also contact us here - Contact Us.