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URO Parts URO-001030 - Engine Coolant Reservoir Cap
Product Overview
The URO Parts URO-001030 Engine Coolant Reservoir Cap is a crucial component designed to maintain the integrity of your vehicle’s cooling system. This cap ensures that your coolant remains contained, preventing leaks and overheating. Manufactured to OE-level quality, this part guarantees reliability and a perfect fitment for various Mercedes-Benz models. Trust URO Parts for high-quality automotive solutions that keep your engine running smoothly. Choose URO Parts URO-001030 for dependable performance and peace of mind every time you service your vehicle.
Cross Reference Numbers
This URO Parts URO-001030 is equivalent to or replaces the following part numbers: URO001030, 1245000406, V30-0039, V300039, 118 33038 072, 11833038072, 124 500 0406O-E, 1245000406OE, CPE0026P, 118 33038 766, 11833038766, 124 500 0406, 118 33038 001, 11833038001, 376738344.
Vehicle Compatibility
- 1968-1969 Mercedes-Benz 300SEL 2.8
- 1968-1971 Mercedes-Benz 280SEL 2.8
- 1968-1972 Mercedes-Benz 250 2.5
- 1968-1973 Mercedes-Benz 220 2.2
- 1968-1973 Mercedes-Benz 220D 2.2
- 1968-1976 Mercedes-Benz 280S 2.8
- 1968-1978 Mercedes-Benz 230 2.3
- 1968-1980 Mercedes-Benz 280SE 2.8
- 1970-1971 Mercedes-Benz 280SE 3.5 V8
- 1970-1971 Mercedes-Benz 300SEL 3.5 V8
This also fits other applications. Please use the vehicle selector tool to verify fitment.
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Frequently Asked Questions
What symptoms indicate a faulty engine coolant reservoir cap?
If your engine coolant reservoir cap is faulty, you may notice coolant leaks, a warning light on your dashboard, or overheating issues. Replacing it with the URO-001030 can help restore your cooling system's efficiency.
How do I know if the URO-001030 is compatible with my vehicle?
You can check compatibility by using the vehicle selector tool on our website or by referring to your vehicle's manual. The URO-001030 fits various Mercedes-Benz models, ensuring a precise fit.
What happens if I don't replace a damaged coolant reservoir cap?
Failing to replace a damaged coolant reservoir cap can lead to coolant loss, overheating, and potential engine damage. It is vital to maintain this component for the health of your engine.
Are there any common DTCs related to the engine coolant reservoir cap?
While DTCs are not common for this part, if you encounter any warnings related to coolant pressure, it’s advisable to inspect the URO-001030 for proper function.
Why is the URO-001030 a good replacement option?
The URO-001030 is made with high-quality materials to ensure durability and performance. By choosing this part, you maintain the integrity of your cooling system and avoid costly repairs.
Order URO Parts URO-001030 today for a factory-correct replacement that restores safety and performance.
- BrandURO Parts
- ManufacturerURO Parts
- MPNURO-001030
- FeaturesCalifornia Proposition 65 : WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
- Cross Reference NumbersURO001030, 1245000406, V30-0039, V300039, 118 33038 072, 11833038072, 124 500 0406O-E, 1245000406OE, CPE0026P, 118 33038 766, 11833038766, 124 500 0406, 118 33038 001, 11833038001, 376738344
- Part TypeEngine Coolant Reservoir Cap
- Fitment
- Fitment TypeVehicle Specific
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 1992 | Mercedes-Benz | 300SD | Base (3.4 L6 DIESEL) | |
| 1992 | Mercedes-Benz | 300SE | Base (3.2 L6 GAS) | |
| 1992 | Mercedes-Benz | 400SE | Base (4.2 V8 GAS) | |
| 1992 | Mercedes-Benz | 500SEL | Base (5.0 V8 GAS) | |
| 1992 | Mercedes-Benz | 600SEL | Base (6.0 V12 GAS) | |
| 1992 | Mercedes-Benz | 500SL | Base (5.0 V8 GAS) | |
| 1993 | Mercedes-Benz | 300SD | Base (3.4 L6 DIESEL) | |
| 1993 | Mercedes-Benz | 300SE | Base (3.2 L6 GAS) | |
| 1993 | Mercedes-Benz | 400SEL | Base (4.2 V8 GAS) | |
| 1993 | Mercedes-Benz | 500SEC | Base (5.0 V8 GAS) | |
| 1993 | Mercedes-Benz | 500SEL | Base (5.0 V8 GAS) | |
| 1993 | Mercedes-Benz | 600SEC | Base (6.0 V12 GAS) | |
| 1993 | Mercedes-Benz | 600SEL | Base (6.0 V12 GAS) | |
| 1993 | Mercedes-Benz | 600SL | Base (6.0 V12 GAS) | |
| 1993 | Mercedes-Benz | 500SL | Base (5.0 V8 GAS) | |
| 1984 | Mercedes-Benz | 500SEC | Base (5.0 V8 GAS) | |
| 1984 | Mercedes-Benz | 500SEL | Base (5.0 V8 GAS) | |
| 1994 | Mercedes-Benz | S320 | LWB (3.2 L6 GAS) | |
| 1994 | Mercedes-Benz | S320 | SWB (3.2 L6 GAS) | |
| 1994 | Mercedes-Benz | S350 | Base (3.4 L6 DIESEL) | |
| 1994 | Mercedes-Benz | S420 | Base (4.2 V8 GAS) | |
| 1994 | Mercedes-Benz | S500 | Base (5.0 V8 GAS) | |
| 1994 | Mercedes-Benz | S600 | Base (6.0 V12 GAS) | |
| 1994 | Mercedes-Benz | SL600 | Base (6.0 V12 GAS) | |
| 1994 | Mercedes-Benz | SL500 | Base (5.0 V8 GAS) | |
| 1994 | Mercedes-Benz | SL320 | Base (3.2 L6 GAS) | |
| 1995 | Mercedes-Benz | S320 | LWB (3.2 L6 GAS) | |
| 1995 | Mercedes-Benz | S320 | SWB (3.2 L6 GAS) | |
| 1995 | Mercedes-Benz | S350 | Base (3.4 L6 DIESEL) | |
| 1995 | Mercedes-Benz | S420 | Base (4.2 V8 GAS) | |
| 1995 | Mercedes-Benz | S500 | Base (5.0 V8 GAS) | |
| 1995 | Mercedes-Benz | S600 | Base (6.0 V12 GAS) | |
| 1995 | Mercedes-Benz | SL600 | Base (6.0 V12 GAS) | |
| 1995 | Mercedes-Benz | SL500 | Base (5.0 V8 GAS) | |
| 1995 | Mercedes-Benz | SL320 | Base (3.2 L6 GAS) | |
| 1996 | Mercedes-Benz | S320 | LWB (3.2 L6 GAS) | |
| 1996 | Mercedes-Benz | S320 | SWB (3.2 L6 GAS) | |
| 1996 | Mercedes-Benz | S420 | Base (4.2 V8 GAS) | |
| 1996 | Mercedes-Benz | S500 | Base (5.0 V8 GAS) | Notes: Up to A334377 |
| 1996 | Mercedes-Benz | S600 | Base (6.0 V12 GAS) | Notes: Up to A334377 |
| 1996 | Mercedes-Benz | SL600 | Base (6.0 V12 GAS) | |
| 1996 | Mercedes-Benz | SL500 | Base (5.0 V8 GAS) | |
| 1996 | Mercedes-Benz | SL320 | Base (3.2 L6 GAS) | Chassis: 129.063, Notes: Up to F138417 |
| 1997 | Mercedes-Benz | S320 | LWB (3.2 L6 GAS) | |
| 1997 | Mercedes-Benz | S320 | SWB (3.2 L6 GAS) | |
| 1997 | Mercedes-Benz | S420 | Base (4.2 V8 GAS) | |
| 1997 | Mercedes-Benz | S500 | Base (5.0 V8 GAS) | |
| 1997 | Mercedes-Benz | S600 | Base (6.0 V12 GAS) | |
| 1997 | Mercedes-Benz | SL600 | Base (6.0 V12 GAS) | |
| 1997 | Mercedes-Benz | SL500 | Base (5.0 V8 GAS) | |
| 1997 | Mercedes-Benz | SL320 | Base (3.2 L6 GAS) | Chassis: 129.063, Notes: Up to F138417 |
| 1998 | Mercedes-Benz | S320 | LWB (3.2 L6 GAS) | |
| 1998 | Mercedes-Benz | S320 | SWB (3.2 L6 GAS) | |
| 1998 | Mercedes-Benz | S420 | Base (4.2 V8 GAS) | |
| 1998 | Mercedes-Benz | S500 | Base (5.0 V8 GAS) | |
| 1998 | Mercedes-Benz | S600 | Base (6.0 V12 GAS) | |
| 1998 | Mercedes-Benz | SL600 | Base (6.0 V12 GAS) | |
| 1998 | Mercedes-Benz | SL500 | Base (5.0 V8 GAS) | |
| 1999 | Mercedes-Benz | S320 | LWB (3.2 L6 GAS) | |
| 1999 | Mercedes-Benz | S320 | SWB (3.2 L6 GAS) | |
| 1999 | Mercedes-Benz | S420 | Base (4.2 V8 GAS) | |
| 1999 | Mercedes-Benz | S500 | Base (5.0 V8 GAS) | |
| 1999 | Mercedes-Benz | S600 | Base (6.0 V12 GAS) | |
| 1999 | Mercedes-Benz | SL600 | Base (6.0 V12 GAS) | |
| 1999 | Mercedes-Benz | SL500 | Base (5.0 V8 GAS) | |
| 1972 | Mercedes-Benz | 250 | Base (2.8 L6 GAS) | |
| 1972 | Mercedes-Benz | 250 | Base (2.5 L6 GAS) | |
| 1972 | Mercedes-Benz | 280SE | Base (2.8 L6 GAS) | |
| 1972 | Mercedes-Benz | 250C | Base (2.8 L6 GAS) | |
| 1972 | Mercedes-Benz | 220 | Base (2.2 L4 GAS) | |
| 1971 | Mercedes-Benz | 250 | Base (2.8 L6 GAS) | |
| 1971 | Mercedes-Benz | 250 | Base (2.5 L6 GAS) | |
| 1971 | Mercedes-Benz | 280SEL | Base (2.8 L6 GAS) | |
| 1971 | Mercedes-Benz | 280SE | 3.5 (3.5 V8 GAS) | |
| 1971 | Mercedes-Benz | 280SE | Base (2.8 L6 GAS) | |
| 1971 | Mercedes-Benz | 250C | Base (2.8 L6 GAS) | |
| 1971 | Mercedes-Benz | 220 | Base (2.2 L4 GAS) | |
| 1970 | Mercedes-Benz | 250 | Base (2.5 L6 GAS) | |
| 1970 | Mercedes-Benz | 280SEL | Base (2.8 L6 GAS) | |
| 1970 | Mercedes-Benz | 280SE | Base (2.8 L6 GAS) | |
| 1970 | Mercedes-Benz | 250C | Base (2.8 L6 GAS) | |
| 1970 | Mercedes-Benz | 220 | Base (2.2 L4 GAS) | |
| 1969 | Mercedes-Benz | 250 | Base (2.5 L6 GAS) | |
| 1969 | Mercedes-Benz | 300SEL | Base (2.8 L6 GAS) | |
| 1969 | Mercedes-Benz | 280SEL | Base (2.8 L6 GAS) | |
| 1969 | Mercedes-Benz | 280SE | Base (2.8 L6 GAS) | |
| 1969 | Mercedes-Benz | 220 | Base (2.2 L4 GAS) | |
| 1968 | Mercedes-Benz | 250 | Base (2.5 L6 GAS) | |
| 1968 | Mercedes-Benz | 300SEL | Base (2.8 L6 GAS) | |
| 1968 | Mercedes-Benz | 280SEL | Base (2.8 L6 GAS) | |
| 1968 | Mercedes-Benz | 280SE | Base (2.8 L6 GAS) | |
| 1968 | Mercedes-Benz | 230 | Base (2.3 L6 GAS) | |
| 1968 | Mercedes-Benz | 220 | Base (2.2 L4 GAS) | |
| 1973 | Mercedes-Benz | 220 | Base (2.2 L4 GAS) | |
| 2002 | Mercedes-Benz | SL600 | Base (6.0 V12 GAS) | |
| 2002 | Mercedes-Benz | SL500 | Base (5.0 V8 GAS) | |
| 2001 | Mercedes-Benz | SL600 | Base (6.0 V12 GAS) | |
| 2001 | Mercedes-Benz | SL500 | Base (5.0 V8 GAS) | |
| 2000 | Mercedes-Benz | SL600 | Base (6.0 V12 GAS) | |
| 2000 | Mercedes-Benz | SL500 | Base (5.0 V8 GAS) |
Warranty Overview
At Newparts, we stand behind the quality of the products we sell. Every part we offer is backed by a warranty designed to give you peace of mind and protect your investment.
Standard Warranty – Most Parts
Coverage: 2 years or 24,000 miles (whichever comes first) from purchase date.
Protection: Defects in materials or workmanship under normal personal use.
Eligibility: Applies only to the original purchaser and the vehicle where the part was first installed.
Exclusions:
Wear-and-tear items (brake pads, filters, bulbs, wipers, etc.)
Commercial, fleet, rideshare, off-road, or racing use
Improper installation, misuse, accidents, or modifications
Not Covered: Labor, shipping, towing, or incidental costs.
Bison Performance Warranty – Our House Brand
Coverage: Limited Lifetime Warranty for as long as you own your vehicle.
Applies To: All products sold under the Bison Performance label.
Premium Protection: Goes beyond our standard warranty — if it’s a Bison product, the 2-year/24k mile limit is replaced with lifetime coverage.
Exclusions: Same as the standard warranty (normal wear, commercial use, improper installation, etc.).
What’s Included: Replacement of the defective product (labor and shipping excluded).
Warranty Claim Requirements
To keep claims fast and fair, we require:
Proof of purchase (invoice or order confirmation).
Photos or videos showing the defective part, order number, date, VIN, and odometer reading.
Diagnostic reports or part returns for non-visible issues may be requested.
Claims must be truthful, properly documented, and reflect normal consumer use.
Buy With Confidence: We back our products because we believe in their quality, with a transparent, customer-first warranty process you can trust. And with Bison Performance products, you’ll enjoy Limited Lifetime protection—an assurance few brands can match.
For full details and exclusions, please see our complete Warranty Terms & Conditions.
This summary is for convenience only. For full warranty coverage details, exclusions, and requirements, see our official Warranty Terms & Conditions. In case of conflict, the full policy governs.
Return Policy Overview
Most parts can be returned within 30 days of delivery if unused, uninstalled, and in original packaging.
To start a return, use our Return Portal or contact support.
Restocking fee: Up to 20% may apply for certain orders (buyer’s remorse, order errors, or special-order items)
Refunds: Issued to your original payment method within 3–5 business days after inspection
Exchanges: Not automatic — please return and reorder
Replacements: May be approved for incorrect or defective items reported within 7 days
Not returnable:
Used or installed parts
Electrical components
Opened filter kits, gaskets, or contaminated items
Final sale or custom orders
Important Notes:
Return shipping is your responsibility unless we made a verified error
Fitment is the customer’s responsibility (we can assist, but do not guarantee)
Country of origin may vary and is not grounds for return
For complete details, please see our full Return Policy.
This Returns summary is provided for convenience only. All returns, refunds, and exchanges are subject to the complete Returns Policy. In the event of any conflict, the full policy governs.
Fast, Reliable Shipping — Straight to Your Door
We ship most orders the same day when placed before 2 PM CST (Monday–Friday). Our main warehouse is just east of Nashville, TN, and we also ship from multiple locations nationwide to get your order to you as quickly as possible.
We use trusted carriers like UPS, FedEx, and USPS.
Tracking info is emailed to you as soon as your order ships.
Delivery estimates at checkout are based on carrier data, but not guaranteed.
Need help with a shipment?
If your order is missing, damaged, or incorrect, just let us know within 5 days of delivery. We’ll walk you through the quick claim process — including a few photos to help us make things right.
For full details, please see our complete Shipping Policy.
This Shipping summary is provided for convenience only. Delivery times, carrier terms, fees, restrictions, risk of loss, and other details are governed by our complete Shipping Policy. In the event of any conflict, the full policy governs.





