188990 Turbocharger Retaining Ring for CAT 3516 & S4DC028

This aftermarket 188990 retaining ring is a replacement component for S4DC028 turbocharger applications, specifically listed for Caterpillar CAT 3516 engines. It serves as a critical fastening element for turbocharger assembly maintenance, supporting reference fitment in CAT 3306 and CAT 3406 systems. Verify your specific engine code and turbo model before ordering to ensure correct part number alignment.

Key Specifications

• Part Number: 188990
• Product Type: Retaining Ring
• Turbo Model: S4DC028
• Reference Application: Caterpillar CAT 3516
• Packing: N/A
• Gross Weight: 0 kg
• OEM Reference Numbers: Not supplied
• Image Availability: Not available

This section lists the core identification fields for the 188990 retaining ring. Buyers should use these facts to cross-check their existing turbocharger components against the S4DC028 model before proceeding with an order.

Application & Compatibility

Source application path clues for buyer verification. These are source category/application paths, not confirmed fitment claims:

• Caterpillar > CAT > CAT 3516
• Caterpillar > CAT > CAT D6G 14G D6D > CAT 3306
• Caterpillar > CAT > CAT D8N > CAT 3406
• Caterpillar > CAT > CAT TRUCK > CAT 3406C

Reference applications for the 188990 retaining ring include Caterpillar CAT 3516, CAT 3306, and CAT 3406 engine systems. These paths serve as verification clues for buyers identifying S4DC028 turbocharger components.

• Caterpillar CAT 3516
• Caterpillar CAT D6G 14G D6D > CAT 3306
• Caterpillar CAT D8N > CAT 3406
• Caterpillar CAT TRUCK > CAT 3406C

Confirm your specific engine code and vehicle model against these reference applications before ordering. This part is an aftermarket replacement component; verify dimensions and fitment against your existing turbocharger unit to ensure correct alignment.

Technical Notes

The 188990 retaining ring is a mechanical fastening component for S4DC028 turbocharger assemblies. It secures internal elements within the turbocharger housing, ensuring structural integrity during operation. Buyers should verify the part number against their existing unit to confirm correct alignment. Technical fitment support is available to assist with reference checking engine codes such as CAT 3516, CAT 3306, and CAT 3406. Always inspect the physical dimensions of the existing ring before ordering to ensure proper installation.

B2B Supply

LeadTurbo supports B2B buyers, repair shops, and distributors with volume pricing and worldwide shipping for the 188990 retaining ring. Technical fitment support is available to assist with reference checking engine codes such as CAT 3516, CAT 3306, and CAT 3406 against the S4DC028 turbo model. Provide your specific application details to help confirm the correct part number before placing an order. This service helps ensure that the replacement component aligns with your existing turbocharger configuration.