4-Pack Engine Oil Filler Caps for Cadillac DTS/Seville & Chevy/GMC Silverado/Sierra Trucks
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Compatible Models
We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.
- Cadillac DTS — verify original engine oil cap size and seal
- Cadillac Seville — verify oil-fill cap design and engine
- Chevrolet Silverado 1500 / 2500 / 3500 — verify engine and filler neck
- GMC Sierra 1500 / 2500 / 3500HD — verify engine and filler neck
Important Fitment Note: This listing does not establish one OEM cap number shared by Cadillac Northstar and GM truck engines. Match actual filler-neck geometry, gasket and engine code; do not rely on vehicle name alone.
Product Overview
The engine oil filler cap seals the fill opening and helps keep dirt and oil splash inside the crankcase.
A missing, cracked or loose-fitting cap can let oil mist escape and admit dirt around the oil-fill area.
This listing does not establish one OEM cap number shared by Cadillac Northstar and GM truck engines. Match actual filler-neck geometry, gasket and engine code; do not rely on vehicle name alone.
Key Features & Performance
- Part & Application: 4-Pack Engine Oil Filler Caps. Cadillac DTS — verify original engine oil cap size and seal
- Part Identification: Use the original assembly dimensions and equipment identification
- Package Contents: Four engine oil filler caps as advertised.
- Fitment Priority: Confirm original part, configuration, and mounting features before installation.
Specifications
- Product: 4-Pack Engine Oil Filler Caps
- Brand: Northline Parts aftermarket replacement or accessory (unless otherwise stated by the original listing)
- Northline Parts SKU: NLT2S01077
Replaces / Cross-References
No independently confirmed OEM interchange number has been established for this listing. Identify the replacement using the model information, measurements and original component before ordering.
What Is Included
Four engine oil filler caps as advertised.
Installation & Fitment Notes
This listing does not establish one OEM cap number shared by Cadillac Northstar and GM truck engines. Match actual filler-neck geometry, gasket and engine code; do not rely on vehicle name alone.
Follow the service procedure for the specific equipment or vehicle. Compare the replacement with the original part before installation; professional installation is recommended for steering, braking, suspension, electrical and drivetrain components.
Frequently Asked Questions
Is this an OEM part?
No. This listing is for an aftermarket replacement or accessory unless the product is specifically described as genuine. Manufacturer names and OE numbers are provided for fitment identification.
How do I know whether it will fit?
This listing does not establish one OEM cap number shared by Cadillac Northstar and GM truck engines. Match actual filler-neck geometry, gasket and engine code; do not rely on vehicle name alone.
When should this part be replaced?
A missing, cracked or loose-fitting cap can let oil mist escape and admit dirt around the oil-fill area.
What is included?
Four engine oil filler caps as advertised.
Part Summary
Part: 4-Pack Engine Oil Filler Caps for Select Cadillac DTS/Seville & Chevrolet/GMC Silverado/Sierra 1500/2500/3500 Engines
Applications: Cadillac DTS — verify original engine oil cap size and seal; Cadillac Seville — verify oil-fill cap design and engine; Chevrolet Silverado 1500 / 2500 / 3500 — verify engine and filler neck; GMC Sierra 1500 / 2500 / 3500HD — verify engine and filler neck
Reference Numbers: Not independently verified
Purpose: The engine oil filler cap seals the fill opening and helps keep dirt and oil splash inside the crankcase.
Northline Parts SKU: NLT2S01077
Keywords: 4-Pack Engine Oil Filler Caps for Select Cadillac DTS/Seville & Chevrolet/GMC Silverado/Sierra 1500/2500/3500 Engines, 4-Pack Engine Oil Filler Caps, NLT2S01077, Northline Parts, Cadillac DTS, Cadillac Seville, Chevrolet Silverado 1500 / 2500 / 3500, GMC Sierra 1500 / 2500 / 3500HD.