Non‑Locking DEF Tank Cap | 10011118
Non‑locking DEF tank cap 10011118 replaces OEM DEF caps. Direct-fit, no lanyard, remanufactured for reliability, and backed by manufacturer warranty.
Non‑Locking DEF Tank Cap | 10011118
The non-locking DEF tank cap 10011118 is a high-quality aftermarket replacement engineered for durability, fit, and compliance. Designed to replace worn or missing DEF caps on a wide range of diesel vehicles, this cap helps protect your SCR system by preventing dirt, moisture, and debris from contaminating the DEF tank. Its tight-seal design guards against leaks and DEF crystallization, common causes of sensor and injector issues.
Manufactured from DEF-compatible, heavy-duty polymer, this cap resists extreme temperatures and vibration, ensuring long-term performance even in tough fleet and off-road environments. The non-locking, no-lanyard configuration offers quick access for refueling while maintaining a secure closure.
Perfect for fleet maintenance, owner-operators, and diesel service professionals, the 10011118 delivers OEM-equivalent reliability at a lower cost. Whether replacing a damaged cap or upgrading from a locking model, this cap ensures consistent DEF protection and emissions system efficiency.
Backed by fast shipping and customer support, this is the smart choice for keeping your diesel vehicle road-ready and compliant. Shop now to restore DEF system integrity with a cap built for the job.
Non‑Locking DEF Tank Cap Features:
Designed For:
Manufacturer Warranty
DuraWRX provides a manufacturer's warranty on its DEF-related products for up to 2 years/40,000 miles/1,200 hours (whichever occurs first). This warranty covers any defects in materials or workmanship. To be eligible for a claim, the end user must register their product purchase on the DuraWRX site. To file a claim, customers must contact DuraWRX to receive a return shipping label. Once the product is returned and the claim is approved, DuraWRX will issue either a refund or a credit.
Please confirm your OEM or Aftermarket number matches before ordering.
10011118
2153-LL2-801001
398-3009
712457
ASP-DC-0101
ASPDC0101
CAT 398-3009
GS247549
Shipping & Returns
Why Buy From American Radiator?
Trust American Radiator, your reliable source for quality cooling solutions since 2001. With roots in the industry dating back to the 1970s, our team brings decades of experience delivering high-performance radiators, charge air coolers, and DPF systems at competitive prices.
We work directly with trusted domestic and international manufacturers that supply OEM-grade components, ensuring every product meets or exceeds original equipment standards. Whether you need a heavy-duty truck radiator or a replacement for your DEF Header, we’re committed to providing durable, cost-effective solutions that perform.
Have questions? Contact our experienced inside sales team at 888-483-5763 for expert guidance and fast, friendly support.
| Part Number | SKU | 883009 |
|---|---|
| OEM | Aftermarket Numbers | 10011118 2153-LL2-801001 398-3009 712457 ASP-DC-0101 ASPDC0101 CAT 398-3009 GS247549 |