Field Notes: Why the Full Gasket Set 1000600XEB15 for Great Wall GW4B15 1.5L has quietly become a shop favorite

If you wrench on Great Wall’s 1.5L GW4B15, you already know the head gasket story: heat cycles, mixed driving, maybe a coolant blip that turns into a Saturday teardown. To be honest, kits live or die on sealing materials and consistency. This one has been popping up in my inbox—distributors, a couple of fleet techs—and, surprisingly, they all say roughly the same thing: it seals first time, stays sealed.

Quick specs (real-world use may vary)

Part name	Full gasket set for GW4B15 1.5L turbo
Head gasket	MLS (3–5 layer stainless, elastomer-coated, beaded fire rings)
Seals & O-rings	Viton/NBR mix, oil- and coolant-rated (≈-30°C to 230°C)
Typical thickness	≈0.7–1.0 mm MLS; others per location
Testing (sample)	ASTM F36/F37, helium leak ≤1.0×10^-3 mbar·L/s, Shore A 70±5
Service life	Up to 150,000–200,000 km with proper torque & surface prep

Where it fits and why shops pick it

The Full Gasket Set 1000600XEB15 for Great Wall GW4B15 1.5L covers complete overhaul work—head off, timing service, oil pan reseal, intake/exhaust refresh. It’s especially handy on turbo GW4B15 cars that see mixed city/highway heat cycles. Many customers say they like the “all-in-one” factor: fewer parts runs, fewer leaks after the first heat soak.

How it’s made (the short, nerdy version)

• Materials: spring stainless MLS layers; graphite-coated exhaust gaskets; Viton valve stem seals; NBR timing cover/oil pan profiles.
• Methods: progressive die stamping, laser-trim, micro-bead embossing around fire rings, FKM cure control.
• Testing: compressibility/relaxation (ASTM F36), sealability (ASTM F37), compression set (ASTM D395), surface Ra match for MLS ≈0.4–1.2 μm.
• Traceability: IATF 16949 processes, lot-coded bags, torque notes included (I still check the service manual, always).

Vendor snapshot (why price isn’t the whole story)

Vendor	Pros	Considerations
Oujia (manufacturer)	MLS stack consistency, ASTM/IATF docs, fair MOQ, 12-month warranty	Lead time 7–20 days depending on batch
OEM dealer	Exact spec, dealer network support	Higher price; stock varies
Budget aftermarket	Lowest upfront cost	Mixed materials, variable QA, rework risk

Customization and support

For fleets, Oujia will tweak MLS thickness and bead geometry, add custom laser marks, even pre-apply non-curing sealant on specific covers. I guess that’s overkill for DIY, but for high-mile taxis it’s smart.

Case notes and feedback

Independent shop in Hebei ran three GW4B15 taxis to 90,000 km post-overhaul—no coolant-oil cross, cold-start idle stable. Another customer mentioned fewer re-torque calls after first heat cycle. That tracks with good embossing and consistent coating cure.

Install essentials (because details matter)

• Surface Ra within 0.4–1.2 μm for MLS; check flatness with a 0.05 mm feeler across deck.
• Follow GW4B15 torque + angle in the official manual; replace TTY bolts.
• Coolant and oil flush—any grit kills elastomer lips quickly.

Origin: 289 Heping East Road, Chang ‘an District, Shijiazhuang City, Hebei Province, China. If you need batch COCs, ask ahead; they usually provide IATF and ISO 9001 cert copies.

Bottom line: the Full Gasket Set 1000600XEB15 for Great Wall GW4B15 1.5L is a balanced pick—industry-grade materials, sensible pricing, and test data that isn’t just brochure fluff.

References

1. IATF 16949:2016 – Automotive QMS Requirements, IATF Global Oversight (www.iatfglobaloversight.org)
2. ASTM F36/F37 – Standard Test Methods for Gasket Materials and Sealability, ASTM International (www.astm.org)
3. Great Wall Motors GW4B15 Service Manual – Cylinder Head/Head Gasket Torque Procedure, GWM Aftersales (www.gwm-global.com)
4. ISO 9001:2015 – Quality Management Systems, International Organization for Standardization (www.iso.org)