GLYCO H997-7 Crankshaft Bearing Set 603-030-10-40 H997/7 M103/104 H9977STD

( Brand: Glyco ), ( Type: Crankshaft Main Bearing Set ), ( Ipn: 603 030 10 40 ), ( Oe/oem Part Number: 603-030-10-40 ), ( Fitment Type: Direct Replacement ), ( Manufacturer Part Number: H997/7 ), ( Quantity Sold: Set ), ( Fitment Note: Standard, 58.00mm ), ( Product Description: Engine Crankshaft Main Bearing Set ), ( California Prop 65 Warning: Cancer And Reproductive Harm )

Review GLYCO H997/7 Mercedes M103/104 Crankshaft Main Bearing Set H9977std fits OM603

Introducing the Glyco H997/7 Mercedes-Benz OM603 M103/104 Crankshaft Bearing Set H9977STD 6030301040, a premium replacement solution designed specifically for Mercedes-Benz vehicles equipped with the OM603, M103, or M104 engines. This crankshaft bearing set is an essential component of your engine's rotating assembly, ensuring a smooth and efficient power transfer between the crankshaft and the engine's cylinder blocks.

The Glyco H997/7 Mercedes-Benz Crankshaft Bearing Set is engineered to meet or exceed OEM specifications, ensuring a perfect fit and reliable performance. Each bearing is made from high-quality materials, such as steel and bearing steel, with advanced heat treatment and surface finishing techniques to provide superior strength, durability, and wear resistance.

1. Main crankshaft bearing (6030301040) - This critical component supports the weight of the crankshaft and transmits engine power to the connecting rods. Its large diameter and heavy load capacity require exceptional strength and durability, which is exactly what the Glyco H997/7 main crankshaft bearing delivers.

2. Conrod bearing (603030104) - The conrod bearing, also known as the connecting rod bearing, supports the load of the connecting rods and reduces friction between the crankshaft and the rods. The Glyco H997/7 conrod bearing is precision machined to ensure a snug fit and optimal performance.

3. Counterweight bearing (603030103) - The counterweight bearing supports the counterweight on the crankshaft, which helps to balance the reciprocating mass and reduce vibration. The Glyco H997/7 counterweight bearing is designed to provide excellent stability and reliability, even under heavy engine loads.

4. Thrust bearing (603030102) - The thrust bearing, also known as the crankshaft thrust bearing, prevents the crankshaft from bending by absorbing the thrust loads generated by the pistons. The Glyco H997/7 thrust bearing is manufactured to exacting standards and offers superior load capacity and durability.

By choosing the Glyco H997/7 Mercedes-Benz OM603 M103/104 Crankshaft Bearing Set, you can enjoy the confidence that comes with knowing you're using a high-quality, OEM-equivalent replacement part. This bearing set is backed by Glyco's commitment to customer satisfaction and is designed to provide excellent performance and longevity. So if you're due for a crankshaft bearing replacement or simply want to upgrade your Mercedes-Benz engine with premium components, look no further than the Glyco H997/7 Crankshaft Bearing Set H9977STD 6030301040.

Buying a Glyco H997/7 Mercedes-Benz OM603 M103/104 Crankshaft Bearing Set: A Detailed Analysis

The Glyco H997/7 crankshaft bearing set is a popular aftermarket option for Mercedes-Benz OM603, M103, and M104 engines. This article provides an in-depth analysis of the pros and cons of purchasing this part to help you make an informed decision.

1. Cost-effective: The Glyco H997/7 crankshaft bearing set is generally more affordable compared to OEM (Original Equipment Manufacturer) alternatives.

2. Availability: Aftermarket options like the Glyco H997/7 set are often easier to find and purchase due to their widespread availability.

3. Quality: Glyco is a well-known and reputable aftermarket parts manufacturer. Their products are engineered to meet or exceed OEM specifications, ensuring reliable performance.

4. Compatibility: The Glyco H997/7 crankshaft bearing set is designed to fit Mercedes-Benz OM603, M103, and M104 engines perfectly.

1. Potential for Variability: Aftermarket parts may not always be an exact match to OEM parts, leading to potential differences in performance or fitment.

2. Lack of Warranty: Most aftermarket parts do not come with the same level of warranty coverage as OEM parts.

3. Installation: Installing aftermarket parts yourself can be more challenging than working with OEM parts due to potential differences in fitment and design.

The decision to buy the Glyco H997/7 Mercedes-Benz OM603 M103/104 crankshaft bearing set ultimately depends on your specific needs and priorities. If cost-effectiveness and availability are your primary concerns, and you are confident in your ability to install the part correctly, then the Glyco H997/7 set could be an excellent choice. However, if you prioritize OEM quality, warranty coverage, and a hassle-free installation experience, you may want to consider purchasing the OEM crankshaft bearing set instead.

If you are looking for a cost-effective and widely available aftermarket alternative for your Mercedes-Benz OM603, M103, or M104 engine's crankshaft bearing set, the Glyco H997/7 is a solid option. Just make sure to carefully consider the potential cons, such as potential variability and lack of warranty coverage, before making your purchase. If you value OEM quality and warranty, it is recommended to explore OEM options instead.

Details:

For sale is a set of new Mercedes OM603, M103 /m104 standard size crankshaft main bearings.

part #: h9977 prices

• $53.99-$93.99

specifications engibearing:

• for models: Om603
• for makes: Mercedes
• brand: Glyco
• type: Crankshaft Main Bearing Set
• interchange part number: 603 030 10 40
• oe/oem part number: 603-030-10-40
• fitment type: Direct Replacement
• manufacturer part number: H997/7
• quantity sold: Set
• fitment note: Standard, 58.00mm
• product description: Engine Crankshaft Main Bearing Set
• california prop 65 warning: Cancer And Reproductive Harm

seller engibearing:

• city: El Cajon, California
• # reviews: 3097
• rating: 100.0%

shipping engibearing:

• service: USPS Ground Advantage
• cost: $0.00
• type: Fixed
• class: Standard
• carrier: USPS
• transit: 4-9 Days

payments engibearing:

• wallet: Apple-pay
• other
• credit card: Diners-club

offer engibearing:

• availability: In Stock
• sold: 0
• quantity: 1
• options: Ship-to-home
• started: November 30, 2025

returns engibearing:

• policy: No Returns

general engibearing:

• Car Truck Parts Accessories > Engines Engine Parts > Engine Bearings
• condition: New other see details

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